{"id":2156,"date":"2023-02-17T14:54:54","date_gmt":"2023-02-17T13:54:54","guid":{"rendered":"https:\/\/studentbook.arphymedes-plus.eu\/?post_type=book&#038;p=2156"},"modified":"2023-10-31T16:00:03","modified_gmt":"2023-10-31T15:00:03","slug":"4-3-vztlak","status":"publish","type":"book","link":"https:\/\/studentbook.arphymedes-plus.eu\/sk\/book\/4-0-tekutiny\/4-3-vztlak\/","title":{"rendered":"4.3 Vztlak"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2156\" class=\"elementor elementor-2156 elementor-21\" 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data-elementor-post-type=\"book\">\n\t\t\t\t<div class=\"elementor-element elementor-element-db31bb5 e-con-full e-flex e-con e-parent\" data-id=\"db31bb5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d0bb914 e-con-full e-flex e-con e-parent\" data-id=\"d0bb914\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-641f98d e-con-full e-flex e-con e-parent\" data-id=\"641f98d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-d0e0474 e-con-full single-book-right e-flex e-con e-parent\" data-id=\"d0e0474\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b9f8ee4 bdt-audio-player-title-none elementor-widget elementor-widget-bdt-audio-player\" data-id=\"b9f8ee4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"bdt-audio-player.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"bdt-audio-player skin-default\">\n\t\t\t\t\t<div class=\"jp-jplayer\" data-settings=\"{&quot;volume_level&quot;:0.8,&quot;restrict_duration&quot;:10,&quot;audio_source&quot;:&quot;https:\\\/\\\/studentbook.arphymedes-plus.eu\\\/wp-content\\\/uploads\\\/2023\\\/02\\\/tekutiny-8-vztlak-1.mp3&quot;}\"><\/div>\n\n\t\t\t\t\t\t\t<div id=\"jp_container_b9f8ee4-4636\" class=\"jp-audio\" role=\"application\" aria-label=\"media player\">\n\t\t\t<div class=\"jp-type-playlist\">\n\t\t\t\t<div class=\"jp-gui jp-interface\">\n\t\t\t\t\t<div class=\"jp-controls bdt-grid bdt-grid-small bdt-flex-middle\" data-bdt-grid>\n\n\t\t\t\t\t\t\n\t\t<div class=\"bdt-width-auto\">\n\t\t\t<a href=\"javascript:void(0);\" class=\"jp-play\" tabindex=\"1\"\n\t\t\t\ttitle=\"Play \">\n\t\t\t\t<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\"\n\t\t\t\t\tviewBox=\"0 0 42 42\" style=\"enable-background:new 0 0 42 42;\" xml:space=\"preserve\">\n\t\t\t\t\t<path\n\t\t\t\t\t\td=\"M36.1,20.2l-29-20C6.8,0,6.4-0.1,6,0.1C5.7,0.3,5.5,0.6,5.5,1v40c0,0.4,0.2,0.7,0.5,0.9C6.2,42,6.3,42,6.5,42c0.2,0,0.4-0.1,0.6-0.2l29-20c0.3-0.2,0.4-0.5,0.4-0.8S36.3,20.4,36.1,20.2z M7.5,39.1V2.9L33.7,21L7.5,39.1z\" \/>\n\t\t\t\t<\/svg>\n\t\t\t<\/a>\n\t\t\t<a href=\"javascript:void(0);\" class=\"jp-pause\" tabindex=\"1\"\n\t\t\t\ttitle=\"Pause \">\n\t\t\t\t<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\"\n\t\t\t\t\tviewBox=\"0 0 42 42\" style=\"enable-background:new 0 0 42 42;\" xml:space=\"preserve\">\n\t\t\t\t\t<g>\n\t\t\t\t\t\t<path d=\"M14.5,0c-0.6,0-1,0.4-1,1v40c0,0.6,0.4,1,1,1s1-0.4,1-1V1C15.5,0.4,15.1,0,14.5,0z\" \/>\n\t\t\t\t\t\t<path d=\"M27.5,0c-0.6,0-1,0.4-1,1v40c0,0.6,0.4,1,1,1s1-0.4,1-1V1C28.5,0.4,28.1,0,27.5,0z\" \/>\n\t\t\t\t\t<\/g>\n\t\t\t\t<\/svg>\n\t\t\t<\/a>\n\t\t<\/div>\n\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t<div class=\"bdt-width-auto bdt-visible@m\">\n\t\t\t\t<div class=\"jp-duration\"><\/div>\n\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div data-dce-text-color=\"#000000\" class=\"elementor-element elementor-element-0a609d7 elementor-widget elementor-widget-text-editor\" data-id=\"0a609d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Archimedes sa narodil v gr\u00e9ckej kol\u00f3nii na ostrove Sic\u00edlia. Bol jedn\u00fdm z najv\u00fdznamnej\u0161\u00edch matematikov a vyn\u00e1lezcov starovek\u00e9ho Gr\u00e9cka. Existuje o \u0148om zn\u00e1my pr\u00edbeh. Jedn\u00e9ho d\u0148a dostal od kr\u00e1\u013ea \u00falohu. Musel skontrolova\u0165, \u010di koruna, ktor\u00fa mu vyrobili, bola naozaj vyroben\u00e1 z \u010dist\u00e9ho zlata. Ke\u010f vst\u00fapil do vane plnej vody, \u010das\u0165 vody sa preliala cez okraj. Zistil, \u017ee mno\u017estvo vytla\u010denej vody sa rovnalo objemu ponoren\u00e9ho tela. Nah\u00fd vysko\u010dil z vane a\u00a0zakri\u010dal: Heur\u00e9ka!<\/p><p>Takto dok\u00e1zal skontrolova\u0165, \u010di bola koruna skuto\u010dne vyroben\u00e1 z \u010dist\u00e9ho zlata. Porovnal objem koruny s rovnako ve\u013ek\u00fdm kusom zlata, a\u00a0tak zistil zlatn\u00edkov podvod.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7dfd1a0 dce_masking-none elementor-widget elementor-widget-video\" data-id=\"7dfd1a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/5-nbC4vOv7I&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-458fb3a e-con-full e-flex e-con e-parent\" data-id=\"458fb3a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-3353967 e-con-full e-flex e-con e-parent\" data-id=\"3353967\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-8ec4c7f e-flex e-con-boxed e-con e-parent\" data-id=\"8ec4c7f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div data-dce-title-color=\"#00235A\" data-dce-advanced-background-color=\"#F8F8F8\" class=\"elementor-element elementor-element-567309d elementor-widget elementor-widget-heading\" data-id=\"567309d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Vztlak<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-830c20e bdt-audio-player-title-none elementor-widget elementor-widget-bdt-audio-player\" data-id=\"830c20e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"bdt-audio-player.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"bdt-audio-player skin-default\">\n\t\t\t\t\t<div class=\"jp-jplayer\" data-settings=\"{&quot;volume_level&quot;:0.8,&quot;restrict_duration&quot;:10,&quot;audio_source&quot;:&quot;https:\\\/\\\/studentbook.arphymedes-plus.eu\\\/wp-content\\\/uploads\\\/2023\\\/02\\\/tekutiny-9-vztlak-1.mp3&quot;}\"><\/div>\n\n\t\t\t\t\t\t\t<div id=\"jp_container_830c20e-7361\" class=\"jp-audio\" role=\"application\" aria-label=\"media player\">\n\t\t\t<div class=\"jp-type-playlist\">\n\t\t\t\t<div class=\"jp-gui jp-interface\">\n\t\t\t\t\t<div class=\"jp-controls bdt-grid bdt-grid-small bdt-flex-middle\" data-bdt-grid>\n\n\t\t\t\t\t\t\n\t\t<div class=\"bdt-width-auto\">\n\t\t\t<a href=\"javascript:void(0);\" class=\"jp-play\" tabindex=\"1\"\n\t\t\t\ttitle=\"Play \">\n\t\t\t\t<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\"\n\t\t\t\t\tviewBox=\"0 0 42 42\" style=\"enable-background:new 0 0 42 42;\" xml:space=\"preserve\">\n\t\t\t\t\t<path\n\t\t\t\t\t\td=\"M36.1,20.2l-29-20C6.8,0,6.4-0.1,6,0.1C5.7,0.3,5.5,0.6,5.5,1v40c0,0.4,0.2,0.7,0.5,0.9C6.2,42,6.3,42,6.5,42c0.2,0,0.4-0.1,0.6-0.2l29-20c0.3-0.2,0.4-0.5,0.4-0.8S36.3,20.4,36.1,20.2z M7.5,39.1V2.9L33.7,21L7.5,39.1z\" \/>\n\t\t\t\t<\/svg>\n\t\t\t<\/a>\n\t\t\t<a href=\"javascript:void(0);\" class=\"jp-pause\" tabindex=\"1\"\n\t\t\t\ttitle=\"Pause \">\n\t\t\t\t<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\"\n\t\t\t\t\tviewBox=\"0 0 42 42\" style=\"enable-background:new 0 0 42 42;\" xml:space=\"preserve\">\n\t\t\t\t\t<g>\n\t\t\t\t\t\t<path d=\"M14.5,0c-0.6,0-1,0.4-1,1v40c0,0.6,0.4,1,1,1s1-0.4,1-1V1C15.5,0.4,15.1,0,14.5,0z\" \/>\n\t\t\t\t\t\t<path d=\"M27.5,0c-0.6,0-1,0.4-1,1v40c0,0.6,0.4,1,1,1s1-0.4,1-1V1C28.5,0.4,28.1,0,27.5,0z\" \/>\n\t\t\t\t\t<\/g>\n\t\t\t\t<\/svg>\n\t\t\t<\/a>\n\t\t<\/div>\n\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t<div class=\"bdt-width-auto bdt-visible@m\">\n\t\t\t\t<div class=\"jp-duration\"><\/div>\n\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bc5c46c e-con-full e-flex e-con e-parent\" data-id=\"bc5c46c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-4ca2994 e-con-full single-book-right e-flex e-con e-parent\" data-id=\"4ca2994\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div data-dce-text-color=\"#000000\" class=\"elementor-element elementor-element-176a1ed elementor-widget elementor-widget-text-editor\" data-id=\"176a1ed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Vztlak je sila smerom nahor vyv\u00edjan\u00e1 tekutinou, ktor\u00e1 p\u00f4sob\u00ed proti smeru tia\u017eovej sily \u010diasto\u010dne, \u00a0alebo \u00faplne ponoren\u00e9ho predmetu. Ve\u013ekos\u0165ou sa vztlakov\u00e1 sila rovn\u00e1 tia\u017ei vytla\u010denej kvapaliny.<\/p><p>Vztlakov\u00e1 sila sa nemen\u00ed ani vtedy, ke\u010f je teleso \u00faplne ponoren\u00e9 do vody, a potom ide hlb\u0161ie.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-655e645 e-con-full e-flex e-con e-parent\" data-id=\"655e645\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ce2d559 e-con-full e-flex e-con e-parent\" data-id=\"ce2d559\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-c087fd7 e-flex e-con-boxed e-con e-parent\" data-id=\"c087fd7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div data-dce-title-color=\"#00235A\" data-dce-advanced-background-color=\"#F8F8F8\" class=\"elementor-element elementor-element-f02199e elementor-widget elementor-widget-heading\" data-id=\"f02199e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pr\u00edklad 1<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9845578 bdt-audio-player-title-none elementor-widget elementor-widget-bdt-audio-player\" data-id=\"9845578\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"bdt-audio-player.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"bdt-audio-player skin-default\">\n\t\t\t\t\t<div class=\"jp-jplayer\" data-settings=\"{&quot;volume_level&quot;:0.8,&quot;restrict_duration&quot;:10,&quot;audio_source&quot;:&quot;https:\\\/\\\/studentbook.arphymedes-plus.eu\\\/wp-content\\\/uploads\\\/2023\\\/02\\\/tekutiny-10-vztlak-1.mp3&quot;}\"><\/div>\n\n\t\t\t\t\t\t\t<div id=\"jp_container_9845578-5568\" class=\"jp-audio\" role=\"application\" aria-label=\"media player\">\n\t\t\t<div class=\"jp-type-playlist\">\n\t\t\t\t<div class=\"jp-gui jp-interface\">\n\t\t\t\t\t<div class=\"jp-controls bdt-grid bdt-grid-small bdt-flex-middle\" data-bdt-grid>\n\n\t\t\t\t\t\t\n\t\t<div class=\"bdt-width-auto\">\n\t\t\t<a href=\"javascript:void(0);\" class=\"jp-play\" tabindex=\"1\"\n\t\t\t\ttitle=\"Play \">\n\t\t\t\t<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\"\n\t\t\t\t\tviewBox=\"0 0 42 42\" style=\"enable-background:new 0 0 42 42;\" xml:space=\"preserve\">\n\t\t\t\t\t<path\n\t\t\t\t\t\td=\"M36.1,20.2l-29-20C6.8,0,6.4-0.1,6,0.1C5.7,0.3,5.5,0.6,5.5,1v40c0,0.4,0.2,0.7,0.5,0.9C6.2,42,6.3,42,6.5,42c0.2,0,0.4-0.1,0.6-0.2l29-20c0.3-0.2,0.4-0.5,0.4-0.8S36.3,20.4,36.1,20.2z M7.5,39.1V2.9L33.7,21L7.5,39.1z\" \/>\n\t\t\t\t<\/svg>\n\t\t\t<\/a>\n\t\t\t<a href=\"javascript:void(0);\" class=\"jp-pause\" tabindex=\"1\"\n\t\t\t\ttitle=\"Pause \">\n\t\t\t\t<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\"\n\t\t\t\t\tviewBox=\"0 0 42 42\" style=\"enable-background:new 0 0 42 42;\" xml:space=\"preserve\">\n\t\t\t\t\t<g>\n\t\t\t\t\t\t<path d=\"M14.5,0c-0.6,0-1,0.4-1,1v40c0,0.6,0.4,1,1,1s1-0.4,1-1V1C15.5,0.4,15.1,0,14.5,0z\" \/>\n\t\t\t\t\t\t<path d=\"M27.5,0c-0.6,0-1,0.4-1,1v40c0,0.6,0.4,1,1,1s1-0.4,1-1V1C28.5,0.4,28.1,0,27.5,0z\" \/>\n\t\t\t\t\t<\/g>\n\t\t\t\t<\/svg>\n\t\t\t<\/a>\n\t\t<\/div>\n\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t<div class=\"bdt-width-auto bdt-visible@m\">\n\t\t\t\t<div class=\"jp-duration\"><\/div>\n\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b6cf4ca e-con-full e-flex e-con e-parent\" data-id=\"b6cf4ca\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-0464955 e-con-full single-book-right e-flex e-con e-parent\" data-id=\"0464955\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div data-dce-text-color=\"#000000\" class=\"elementor-element elementor-element-6b93abb elementor-widget elementor-widget-text-editor\" data-id=\"6b93abb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pripevnite teleso k silomeru a\u00a0od\u010d\u00edtajte tia\u017e telesa.<\/p><p>Ponorte teleso pripojen\u00e9 k silomeru do kvapaliny, a znova od\u010d\u00edtajte hodnotu na silomere. Dbajte na to, aby sa teleso nedot\u00fdkalo dna n\u00e1doby.<\/p><p>Rozdiel medzi dvoma nameran\u00fdmi silami sa rovn\u00e1 vztlakovej sile alebo tia\u017ei kvapaliny, vytla\u010denej telesom po\u010das ponorenia.<\/p><p>Kame\u0148 sa ponor\u00ed do vody. Skala m\u00e1 vy\u0161\u0161iu hustotu ako voda. \u010co je \u013eah\u0161ie: zdvihn\u00fa\u0165 kame\u0148 vo vode alebo vo vzduchu?<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c860044 e-con-full e-flex e-con e-parent\" data-id=\"c860044\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-88ce8eb e-con-full e-flex e-con e-parent\" data-id=\"88ce8eb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-db1a913 e-flex e-con-boxed e-con e-parent\" data-id=\"db1a913\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div data-dce-title-color=\"#00235A\" data-dce-advanced-background-color=\"#F8F8F8\" class=\"elementor-element elementor-element-b8677dd elementor-widget elementor-widget-heading\" data-id=\"b8677dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Otestujte sa<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e40208 bdt-audio-player-title-none elementor-widget elementor-widget-bdt-audio-player\" data-id=\"2e40208\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"bdt-audio-player.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"bdt-audio-player skin-default\">\n\t\t\t\t\t<div class=\"jp-jplayer\" data-settings=\"{&quot;volume_level&quot;:0.8,&quot;restrict_duration&quot;:10,&quot;audio_source&quot;:&quot;https:\\\/\\\/studentbook.arphymedes-plus.eu\\\/wp-content\\\/uploads\\\/2023\\\/02\\\/tekutiny-11-vztlak-1.mp3&quot;}\"><\/div>\n\n\t\t\t\t\t\t\t<div id=\"jp_container_2e40208-1257\" class=\"jp-audio\" role=\"application\" aria-label=\"media player\">\n\t\t\t<div class=\"jp-type-playlist\">\n\t\t\t\t<div class=\"jp-gui jp-interface\">\n\t\t\t\t\t<div class=\"jp-controls bdt-grid bdt-grid-small bdt-flex-middle\" data-bdt-grid>\n\n\t\t\t\t\t\t\n\t\t<div class=\"bdt-width-auto\">\n\t\t\t<a href=\"javascript:void(0);\" class=\"jp-play\" tabindex=\"1\"\n\t\t\t\ttitle=\"Play \">\n\t\t\t\t<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\"\n\t\t\t\t\tviewBox=\"0 0 42 42\" style=\"enable-background:new 0 0 42 42;\" xml:space=\"preserve\">\n\t\t\t\t\t<path\n\t\t\t\t\t\td=\"M36.1,20.2l-29-20C6.8,0,6.4-0.1,6,0.1C5.7,0.3,5.5,0.6,5.5,1v40c0,0.4,0.2,0.7,0.5,0.9C6.2,42,6.3,42,6.5,42c0.2,0,0.4-0.1,0.6-0.2l29-20c0.3-0.2,0.4-0.5,0.4-0.8S36.3,20.4,36.1,20.2z M7.5,39.1V2.9L33.7,21L7.5,39.1z\" \/>\n\t\t\t\t<\/svg>\n\t\t\t<\/a>\n\t\t\t<a href=\"javascript:void(0);\" class=\"jp-pause\" tabindex=\"1\"\n\t\t\t\ttitle=\"Pause \">\n\t\t\t\t<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\"\n\t\t\t\t\tviewBox=\"0 0 42 42\" style=\"enable-background:new 0 0 42 42;\" xml:space=\"preserve\">\n\t\t\t\t\t<g>\n\t\t\t\t\t\t<path d=\"M14.5,0c-0.6,0-1,0.4-1,1v40c0,0.6,0.4,1,1,1s1-0.4,1-1V1C15.5,0.4,15.1,0,14.5,0z\" \/>\n\t\t\t\t\t\t<path d=\"M27.5,0c-0.6,0-1,0.4-1,1v40c0,0.6,0.4,1,1,1s1-0.4,1-1V1C28.5,0.4,28.1,0,27.5,0z\" \/>\n\t\t\t\t\t<\/g>\n\t\t\t\t<\/svg>\n\t\t\t<\/a>\n\t\t<\/div>\n\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t<div class=\"bdt-width-auto bdt-visible@m\">\n\t\t\t\t<div class=\"jp-duration\"><\/div>\n\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-03445ec e-con-full e-flex e-con e-parent\" data-id=\"03445ec\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-c0cfdcf e-con-full single-book-right e-flex e-con e-parent\" data-id=\"c0cfdcf\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div data-dce-text-color=\"#000000\" class=\"elementor-element elementor-element-405cc90 elementor-widget elementor-widget-text-editor\" data-id=\"405cc90\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pozorujte silomer na oboch obr\u00e1zkoch. \u010co sa stane s ve\u013ekos\u0165ou sily na silomere, ke\u010f je kame\u0148 \u00faplne ponoren\u00fd do vody?<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3dcf891 dce_masking-none elementor-widget elementor-widget-image\" data-id=\"3dcf891\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/studentbook.arphymedes-plus.eu\/wp-content\/uploads\/2023\/02\/Bouyancy-scaled.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"Bouyancy\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MjAxNiwidXJsIjoiaHR0cHM6XC9cL3N0dWRlbnRib29rLmFycGh5bWVkZXMtcGx1cy5ldVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyM1wvMDJcL0JvdXlhbmN5LXNjYWxlZC5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"2560\" height=\"1633\" src=\"https:\/\/studentbook.arphymedes-plus.eu\/wp-content\/uploads\/2023\/02\/Bouyancy-scaled.jpg\" class=\"attachment-full size-full wp-image-2016\" alt=\"\" srcset=\"https:\/\/studentbook.arphymedes-plus.eu\/wp-content\/uploads\/2023\/02\/Bouyancy-scaled.jpg 2560w, https:\/\/studentbook.arphymedes-plus.eu\/wp-content\/uploads\/2023\/02\/Bouyancy-300x191.jpg 300w, https:\/\/studentbook.arphymedes-plus.eu\/wp-content\/uploads\/2023\/02\/Bouyancy-1024x653.jpg 1024w, https:\/\/studentbook.arphymedes-plus.eu\/wp-content\/uploads\/2023\/02\/Bouyancy-768x490.jpg 768w, https:\/\/studentbook.arphymedes-plus.eu\/wp-content\/uploads\/2023\/02\/Bouyancy-1536x980.jpg 1536w, https:\/\/studentbook.arphymedes-plus.eu\/wp-content\/uploads\/2023\/02\/Bouyancy-2048x1306.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d5b2f0e bdt-audio-player-title-none elementor-widget elementor-widget-bdt-audio-player\" data-id=\"d5b2f0e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"bdt-audio-player.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"bdt-audio-player skin-default\">\n\t\t\t\t\t<div class=\"jp-jplayer\" data-settings=\"{&quot;volume_level&quot;:0.8,&quot;restrict_duration&quot;:10,&quot;audio_source&quot;:&quot;https:\\\/\\\/studentbook.arphymedes-plus.eu\\\/wp-content\\\/uploads\\\/2023\\\/02\\\/tekutiny-12-vztlak-1.mp3&quot;}\"><\/div>\n\n\t\t\t\t\t\t\t<div id=\"jp_container_d5b2f0e-8504\" class=\"jp-audio\" role=\"application\" aria-label=\"media player\">\n\t\t\t<div class=\"jp-type-playlist\">\n\t\t\t\t<div class=\"jp-gui jp-interface\">\n\t\t\t\t\t<div class=\"jp-controls bdt-grid bdt-grid-small bdt-flex-middle\" data-bdt-grid>\n\n\t\t\t\t\t\t\n\t\t<div class=\"bdt-width-auto\">\n\t\t\t<a href=\"javascript:void(0);\" class=\"jp-play\" tabindex=\"1\"\n\t\t\t\ttitle=\"Play \">\n\t\t\t\t<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\"\n\t\t\t\t\tviewBox=\"0 0 42 42\" style=\"enable-background:new 0 0 42 42;\" xml:space=\"preserve\">\n\t\t\t\t\t<path\n\t\t\t\t\t\td=\"M36.1,20.2l-29-20C6.8,0,6.4-0.1,6,0.1C5.7,0.3,5.5,0.6,5.5,1v40c0,0.4,0.2,0.7,0.5,0.9C6.2,42,6.3,42,6.5,42c0.2,0,0.4-0.1,0.6-0.2l29-20c0.3-0.2,0.4-0.5,0.4-0.8S36.3,20.4,36.1,20.2z M7.5,39.1V2.9L33.7,21L7.5,39.1z\" \/>\n\t\t\t\t<\/svg>\n\t\t\t<\/a>\n\t\t\t<a href=\"javascript:void(0);\" class=\"jp-pause\" tabindex=\"1\"\n\t\t\t\ttitle=\"Pause \">\n\t\t\t\t<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\"\n\t\t\t\t\tviewBox=\"0 0 42 42\" style=\"enable-background:new 0 0 42 42;\" xml:space=\"preserve\">\n\t\t\t\t\t<g>\n\t\t\t\t\t\t<path d=\"M14.5,0c-0.6,0-1,0.4-1,1v40c0,0.6,0.4,1,1,1s1-0.4,1-1V1C15.5,0.4,15.1,0,14.5,0z\" \/>\n\t\t\t\t\t\t<path d=\"M27.5,0c-0.6,0-1,0.4-1,1v40c0,0.6,0.4,1,1,1s1-0.4,1-1V1C28.5,0.4,28.1,0,27.5,0z\" \/>\n\t\t\t\t\t<\/g>\n\t\t\t\t<\/svg>\n\t\t\t<\/a>\n\t\t<\/div>\n\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t<div class=\"bdt-width-auto bdt-visible@m\">\n\t\t\t\t<div class=\"jp-duration\"><\/div>\n\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div data-dce-text-color=\"#000000\" class=\"elementor-element elementor-element-0070d0b elementor-widget elementor-widget-text-editor\" data-id=\"0070d0b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Ozna\u010dte spr\u00e1vnu odpove\u010f:<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a831c73 elementor-widget__width-inherit elementor-widget elementor-widget-bdt-iframe\" 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xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\"\n\t\t\t\t\tviewBox=\"0 0 42 42\" style=\"enable-background:new 0 0 42 42;\" xml:space=\"preserve\">\n\t\t\t\t\t<g>\n\t\t\t\t\t\t<path d=\"M14.5,0c-0.6,0-1,0.4-1,1v40c0,0.6,0.4,1,1,1s1-0.4,1-1V1C15.5,0.4,15.1,0,14.5,0z\" \/>\n\t\t\t\t\t\t<path d=\"M27.5,0c-0.6,0-1,0.4-1,1v40c0,0.6,0.4,1,1,1s1-0.4,1-1V1C28.5,0.4,28.1,0,27.5,0z\" \/>\n\t\t\t\t\t<\/g>\n\t\t\t\t<\/svg>\n\t\t\t<\/a>\n\t\t<\/div>\n\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t<div class=\"bdt-width-auto bdt-visible@m\">\n\t\t\t\t<div class=\"jp-duration\"><\/div>\n\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t\t\n\t\t\n\t\t\t\t\t<\/div>\n\n\t\t\t\t<\/div>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div data-dce-title-color=\"#FFFFFF\" class=\"elementor-element elementor-element-46ed8dc elementor-widget elementor-widget-accordion\" data-id=\"46ed8dc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-7431\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-7431\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\"><span class=\"puls-dom\">Vysvetlenie: <\/span><\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-7431\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-7431\"><p>Rozdiel medzi dvoma nameran\u00fdmi silami sa rovn\u00e1 vztlakovej sile alebo tia\u017ei kvapaliny, ktor\u00e9 teleso vytla\u010dilo po\u010das ponorenia. Preto sila, nameran\u00e1 na silomere kles\u00e1, ke\u010f je kame\u0148 ponoren\u00fd do vody.a<\/p><p>Teleso m\u00e1 v\u00e4\u010d\u0161iu hustotu ako tekutina, ke\u010f je \u00faplne ponoren\u00e9.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ddc801d elementor-widget elementor-widget-html\" data-id=\"ddc801d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<script>\njQuery(document).ready(function($) {\nvar delay = 100; setTimeout(function() {\n$('.elementor-tab-title').removeClass('elementor-active');\n $('.elementor-tab-content').css('display', 'none'); }, delay);\n});\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Archimedes sa narodil v gr\u00e9ckej kol\u00f3nii na ostrove Sic\u00edlia. Bol jedn\u00fdm z najv\u00fdznamnej\u0161\u00edch matematikov a vyn\u00e1lezcov starovek\u00e9ho Gr\u00e9cka. Existuje o \u0148om zn\u00e1my pr\u00edbeh. Jedn\u00e9ho d\u0148a dostal od kr\u00e1\u013ea \u00falohu. Musel skontrolova\u0165, \u010di koruna, ktor\u00fa mu vyrobili, bola naozaj vyroben\u00e1 z \u010dist\u00e9ho zlata. Ke\u010f vst\u00fapil do vane plnej vody, \u010das\u0165 vody sa preliala cez okraj. Zistil, [&hellip;]<\/p>\n","protected":false},"featured_media":0,"parent":2153,"menu_order":0,"template":"","chapter":[13],"class_list":["post-2156","book","type-book","status-publish","hentry","chapter-13"],"_links":{"self":[{"href":"https:\/\/studentbook.arphymedes-plus.eu\/sk\/wp-json\/wp\/v2\/book\/2156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/studentbook.arphymedes-plus.eu\/sk\/wp-json\/wp\/v2\/book"}],"about":[{"href":"https:\/\/studentbook.arphymedes-plus.eu\/sk\/wp-json\/wp\/v2\/types\/book"}],"version-history":[{"count":20,"href":"https:\/\/studentbook.arphymedes-plus.eu\/sk\/wp-json\/wp\/v2\/book\/2156\/revisions"}],"predecessor-version":[{"id":5558,"href":"https:\/\/studentbook.arphymedes-plus.eu\/sk\/wp-json\/wp\/v2\/book\/2156\/revisions\/5558"}],"up":[{"embeddable":true,"href":"https:\/\/studentbook.arphymedes-plus.eu\/sk\/wp-json\/wp\/v2\/book\/2153"}],"wp:attachment":[{"href":"https:\/\/studentbook.arphymedes-plus.eu\/sk\/wp-json\/wp\/v2\/media?parent=2156"}],"wp:term":[{"taxonomy":"chapter","embeddable":true,"href":"https:\/\/studentbook.arphymedes-plus.eu\/sk\/wp-json\/wp\/v2\/chapter?post=2156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}