Contact and non-contact forces - AQA

1

What are contact forces?

2

What is a non-contact force?

3

What is the unit of force?

4

Which of these is a contact force?

5

Which of these involves a contact force?

6

Which of these is a non-contact force?

7

Which of these words describes the force between the north pole of a magnet and the south pole of another magnet?

8

Which of these words describes the force between two negatively charged particles?

9

What must an object have in order to be affected by electrostatic forces?

10

What must an object have in order to be affected by gravity?