Physics Chapter 4 Class 9 MCQs Online Test

Physics Chapter 4 Class 9 MCQs Online Test

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

 

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#1. Complete equation Fy/Fx = ________

#2. In a right triangle, length of base is 4 cm and perpendicular is 3cm. Its tanθ is equal to:

#3. The centre of gravityof an irregular shaped body can be found with the help of:

#4. The number of perpendicular components of a vector are:

#5. sin45° = _____.

#6. The symbol of sigma is:

#7. If Fy=4N, Fx=3N, what is magnitude of resultant force?

#8. The centre of gravity of a sphere is:

#9. sin60° = _____.

#10. The formula of torque is:

#11. Racing cars are made stable by:

#12. Second condition of equilibrium is:

#13. The direction of force with x-axis is given by:

#14. Number of factors on which torque depends:

#15. A force of 10N is making an angle of 60° with x-axis then its horizontal component will be:

#16. The direction of resultant vector can be found by:

#17. According to second condition of equilibrium must be zero:

#18. cos90 = ______.

#19. cosθ = _____.

#20. sinθ = _____.

#21. A body is in equilibrium when its:

#22. If force is 200N and legth of spanner is 0.15m then torque will be:

#23. A force of 10N is making an angle of 30° with the horizontal. Its horizontal component will be:

#24. When centre of gravity is at the highest position, body will be in:

#25. Two equal but unlike parallel forces having different line of action produce:

#26. A couple is formed by:

#27. cos60° = _____.

#28. sin30° = _____.

#29. cos30° = _____.

#30. Torque depends on:

#31. A body is in neutral equilibrium when its centre of gravity:

#32. The centre of gravity of uniform ______ is the point of intersection of its diagonals.

#33. The moment arm is represented by a sign:

#34. S.I. unit of torque is:

#35. First condition of equilibrium is:

#36. The states of equilibrium are:

#37. The net torque acting on a rotating body with uniform speed is:

#38. Turning effect of a force is:

#39. The centre of gravity of a triangle is:

#40. The number of forces that can be added by head to tail rule are:

#41. The forces that are parallel to each other and have same direction are:

#42. The value of sin90 is:

#43. The value of tan45° is ________.

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9th Class All Book MCQs Physics

Chapter 1 – Physical Quantities and Measurements

Chapter 2 – Kinematics

Chapter 3 – Dynamics

Chapter 4 – Turning Effect of Forces

Chapter 5 – Gravitation

Chapter 6 – Work and Energy

Chapter 7 – Properties of Matter

Chapter 8 – Thermal Properties of Matter

Chapter 9 – Transfer of Heat

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