Al-Huda Science Academy has designed Physics Chapter 3 Class 9 MCQs for board preparation. Most of the questions are from the previous board papers. These are helping material for all type of students. Must share to your fellows if helpful.

Time allocated to each question is 30 seconds.

Physics Chapter 3 Class 9 MCQs

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#1. In S.I., the unit of weight is:

#2. The mass of a boy is 40 kg. Its weight on the earth will be:

#3. Law of inertia is also known as:

#4. The unit of force is:

#5. Which of following relation is correct?

#6. When a horse pulls a cart, the action is on the:

#7. Coefficient of friction between wood and concrete is:

#8. When the cyclist stops pedaling, bicycle stops due to:

#9. The value of coefficient of friction between ice and wood is:

#10. Newton's first law of motion is valid only in the absence of

#11. Spring balance is used to measure:

#12. The maximum value of friction is called:

#13. The formula of momentum is:

#14. The mass of a body at surface of earth is 16 kg. Its weight will be:

#15. A boy jumps out of a moving bus. There is a danger for him to fall:

#16. The mass of a body:

#17. The force that opposes the motion of moving objects is called:

#18. Weight is measured by:

#19. Weight "w" is equal to:

#20. In an isolated system the momentum after collision of two bodies is:

#21. Which of the following is the unit of momentum:

#22. A string is stretched by two and opposite forces 10N each. The tension in the string is:

#23. 1N is equal to:

#24. The time rate of change of momentum is called:

#25. Coefficient of friction is equal to:

#26. Coefficient of friction between tyre and dry road is:

#27. A mass of 6 kg is moving with an acceleration of 2 meter per second. Force acting on it is:

#28. If velocity of the body becomes double, then centripetal force will be:

#29. Centripetal force always acts _____ to the motion of the body.

#30. A force that keeps a body to move in a circle is called:

#31. Centripetal acceleration is equal to:

#32. ______ lowers friction between sliding metal plates.

#33. Inertia depends upon:

#34. Fc =

#35. The weight of the body is 147N. Its mass will be:

#36. The resultant of all the forces acting on a body is called:

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