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. Coefficient of friction is equal to:
#2. ______ lowers friction between sliding metal plates.
#3. The maximum value of friction is called:
#4. The time rate of change of momentum is called:
#5. A boy jumps out of a moving bus. There is a danger for him to fall:
#6. Centripetal acceleration is equal to:
#7. In an isolated system the momentum after collision of two bodies is:
#8. A mass of 6 kg is moving with an acceleration of 2 meter per second. Force acting on it is:
#9. A force that keeps a body to move in a circle is called:
#10. When a horse pulls a cart, the action is on the:
#11. Spring balance is used to measure:
#12. The resultant of all the forces acting on a body is called:
#13. Which of following relation is correct?
#14. Weight “w” is equal to:
#15. Law of inertia is also known as:
#16. A string is stretched by two and opposite forces 10N each. The tension in the string is:
#17. The formula of momentum is:
#18. Inertia depends upon:
#19. The weight of the body is 147N. Its mass will be:
#20. When the cyclist stops pedaling, bicycle stops due to:
#21. The mass of a body at surface of earth is 16 kg. Its weight will be:
#22. Coefficient of friction between tyre and dry road is:
#25. The force that opposes the motion of moving objects is called:
#26. If velocity of the body becomes double, then centripetal force will be:
#27. Which of the following is the unit of momentum:
#28. Centripetal force always acts _____ to the motion of the body.
#29. The unit of force is:
#30. Weight is measured by:
#31. Coefficient of friction between wood and concrete is:
#32. Newton’s first law of motion is valid only in the absence of
#33. In S.I., the unit of weight is:
#35. The value of coefficient of friction between ice and wood is:
#36. The mass of a boy is 40 kg. Its weight on the earth will be:
