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