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