Al-Huda Science Academy has designed Physics Chapter 4 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 4 Class 9 MCQs
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#1. If force is 200N and legth of spanner is 0.15m then torque will be:#2. Complete equation Fy/Fx = ________#3. The states of equilibrium are:#4. The moment arm is represented by a sign:#5. The centre of gravity of uniform ______ is the point of intersection of its diagonals.
#6. The centre of gravityof an irregular shaped body can be found with the help of:#7. Number of factors on which torque depends:#8. The direction of resultant vector can be found by:#9. Racing cars are made stable by:#10. A body is in neutral equilibrium when its centre of gravity:
#11. The number of perpendicular components of a vector are:#12. The direction of force with x-axis is given by:#13. First condition of equilibrium is:
#17. Turning effect of a force is:
#21. A couple is formed by:#22. According to second condition of equilibrium must be zero:#23. A force of 10N is making an angle of 30° with the horizontal. Its horizontal component will be:#24. The net torque acting on a rotating body with uniform speed is:#25. The number of forces that can be added by head to tail rule are:
#26. When centre of gravity is at the highest position, body will be in:#27. S.I. unit of torque is:#28. The symbol of sigma is:#29. The formula of torque is:#30. The centre of gravity of a sphere is:
#31. Two equal but unlike parallel forces having different line of action produce:#32. If Fy=4N, Fx=3N, what is magnitude of resultant force?#33. The centre of gravity of a triangle is:#34. A force of 10N is making an angle of 60° with x-axis then its horizontal component will be:#35. The value of sin90 is:
#37. The value of tan45° is ________.#39. A body is in equilibrium when its:
#41. The forces that are parallel to each other and have same direction are:#42. Second condition of equilibrium is:#43. In a right triangle, length of base is 4 cm and perpendicular is 3cm. Its tanθ is equal to:
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