2. What is SI unit of force?
3. The force exerted by the Earth to pull the object towards itself is called
4. The force exerted by a charged body on another charged body
5. The force exerted by our muscles is called
6. Which of these is a non-contact force?
7. What causes an object thrown upwards to return to Earth?
8. Which of the following changes can a force cause?
9. What happens when similar charges interact?
10. Force exerted during the digestion of food
11. A spring balance is used for measuring
12. The force exerted by an animal’s body is called
13. Which one of the following forces is a contact force?
14. When a lemon is squeezed what happens?
15. What is the force acting upwards on an object in water called?
16. When the forces acting on an object are equal in size and opposite in direction, they are called:
17. For a force to come into play, there must be an interaction between at least how many objects?
18. The force that always opposes motion between two surfaces in contact is called:
19. The strength of a force is usually expressed by its:
