SAMPLE QUESTION PAPER (PHYSICS) X (CBSE) FORCE

CLASS: X                                                                   Time: 45min

Chapter: FORCE                                                         Marks: 26

Subject: Physics

1. What is restoring force? (1)

2. Define Law of Inertia. (1)

3. Write C.G.S units of force. (1)

4. Define Dynamic Equilibrium. (1)

5. Write general characters of Non-Contact forces. (2)

6. Write examples of Contact forces. (2)

7. State Second Law of motion. (2)

8. Define the term Linear Momentum. State its SI units. (2)

9. How much acceleration will be produced in a body of mass 10kg acted upon by a force of 2kgf. (2)

10. A body of mass 1.5kg is dropped from a height of 12m. What is the force acting on it during its fall? (2)

11. The momentum of a force of 5N about a point P is 2Nm. Calculate the distance of point of application of the force from the point P. (2)

12. On a see saw, two children of masses 30kg and 50 kg are sitting on one side of it at distances 2m and 2.5m respectively from the middle. Where should a man of mass 74kg should sit to balance it? (2)

13. A body is acted upon by two forces each of magnitude F, but in opposite directions. State the effect of the force if.

(a)    both forces act at the same point of the body.

(b)   two forces act at two different points of the body at a separation r. (2)

14. A spanner (or wrench) has a long handle. Why? (2)

15. What do you understand by the term couple? State its effect. Give two examples of couple action in our daily life. (2)