Available Answers

1. 1.

   What do you understand by the term force?

2. 2.

   Give two examples each of contact and non-contact forces.

3. 3.

   Write down two effects that a force can have on (i) a moving body, (ii) a stationary body.
4. 4.

   Define friction. Give two examples where friction is useful.

5. 5.

   How does friction arise between two surfaces?

6. 6.

   Write down three ways of minimizing friction.