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