Practice questions based on chapter 3 (force) for class 6th

 1. Define 5kgf.

2. What do you understand by the term 'net force '  acting on a body is zero.explain it with the help of suitable example.

3. A boy says that weight of his father is 85Kgf. Is this statement correct?comment on to it.

4. Explain the principle on which a spring balance works.

5. Distinguish between contact force and non contact force with the help of suitable example.

6. Explain balanced force and unbalanced force with the help of suitable example.

7. Distinguish between gravitational force and magnetic force.

8. Define friction. Write four effects of friction.

9.Why  Vehicles like cars ,trucks, scooters, bicycles and luggage trolleys etc., are provided with wheels?

10.Is Friction force always disadvantages for us? Explain it with 3 examples.