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 helpful materials for all types of students. Must share with your fellows if helpful.
Physics Chapter 4 Class 9 MCQs
Results
Congratulations….
You have secured more than 70% to pass the test.
#1. cosθ = _____.
#2. The centre of gravityof an irregular shaped body can be found with the help of:
#3. The moment arm is represented by a sign:
#4. The value of tan45° is ________.
#5. The centre of gravity of uniform ______ is the point of intersection of its diagonals.
#6. The direction of resultant vector can be found by:
#7. The forces that are parallel to each other and have same direction are:
#8. The direction of force with x-axis is given by:
#9. S.I. unit of torque is:
#10. The symbol of sigma is:
#11. According to second condition of equilibrium must be zero:
#12. The number of perpendicular components of a vector are:
#13. First condition of equilibrium is:
#14. A force of 10N is making an angle of 60° with x-axis then its horizontal component will be:
#15. Two equal but unlike parallel forces having different line of action produce:
#16. If Fy=4N, Fx=3N, what is magnitude of resultant force?
#17. The centre of gravity of a triangle is:
#18. cos90 = ______.
#19. A force of 10N is making an angle of 30° with the horizontal. Its horizontal component will be:
#20. Racing cars are made stable by:
#21. Complete equation Fy/Fx = ________
#22. When centre of gravity is at the highest position, body will be in:
#23. The states of equilibrium are:
#24. cos60° = _____.
#25. The number of forces that can be added by head to tail rule are:
#26. sin45° = _____.
#27. The formula of torque is:
#28. cos30° = _____.
#29. The net torque acting on a rotating body with uniform speed is:
#30. Torque depends on:
#31. A couple is formed by:
#32. A body is in neutral equilibrium when its centre of gravity:
#33. If force is 200N and legth of spanner is 0.15m then torque will be:
#34. A body is in equilibrium when its:
#35. Number of factors on which torque depends:
#36. sin30° = _____.
#37. In a right triangle, length of base is 4 cm and perpendicular is 3cm. Its tanθ is equal to:
#38. Second condition of equilibrium is:
#39. Turning effect of a force is:
#40. The centre of gravity of a sphere is:
#41. The value of sin90 is:
#42. sinθ = _____.
#43. sin60° = _____.
9th Class All Book MCQs Physics
Chapter 1 – Physical Quantities and Measurements
Chapter 4 – Turning Effect of Forces
Chapter 7 – Properties of Matter
