Chapter: 3.0


When working with the student book, you also press a button on the computer mouse. During that, you act on it with force. Force is a physical quantity whose unit is Newton. The unit is named after the English physicist Isaac Newton, who wrote 3 important physics laws.


Forces are physical quantities used to describe the action of one object on another object.

In this chapter you will learn:

  1. How to describe forces?
  2. How we measure forces?
  3. How to illustrate forces?
  4. Newton’s laws