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# Punjab 9th Class Physics Model Paper 4 MCQs Test Online

 Total Question 36 Questions Total Marks 72 Marks Total Time 36 Minuts
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### Test Name

 Physics Model Paper 4

### Subject

 Physics (9th Class)

 MCQs

# Punjab 9th Class Physics Model Paper 4 MCQs Test Online

Question 1 of 36

## Physics

1. Formula for the direction of resultant force with the help of rectangular components is:

1.
2.
3.
4.

Question 1 of 36

Question 2 of 36

2. If Fy = 4N and Fx = 3N, what is the magnitude of a resultant force?

1.
2.
3.
4.

Question 2 of 36

Question 3 of 36

3. The number of perpendicular components of a vector are:

1.
2.
3.
4.

Question 3 of 36

Question 4 of 36

4. The turning effect of a force is called:

1.
2.
3.
4.

Question 4 of 36

Question 5 of 36

5. A body is neutral equilibrium when its center of gravity:

1.
2.
3.
4.

Question 5 of 36

Question 6 of 36

6. The number of perpendicular components of a vector are:

1.
2.
3.
4.

Question 6 of 36

Question 7 of 36

7. Racing cars are made stable by:

1.
2.
3.
4.

Question 7 of 36

Question 8 of 36

8. Complete the equation: θ = __________ Fy/Fx.
1.
2.
3.
4.

Question 8 of 36

Question 9 of 36

9. A force ‘F’ acting along x-axis, Its y components is:

1.
2.
3.
4.

Question 9 of 36

Question 10 of 36

10. The center of gravity of a triangle is at:

1.
2.
3.
4.

Question 10 of 36

Question 11 of 36

11. A couple is formed by:

1.
2.
3.
4.

Question 11 of 36

Question 12 of 36

12. States of equilibrium are:

1.
2.
3.
4.

Question 12 of 36

Question 13 of 36

13. A pencil lying horizontally is the example of:

1.
2.
3.
4.

Question 13 of 36

Question 14 of 36

14. Point of intersection of medians is the center of gravity if a uniform:

1.
2.
3.
4.

Question 14 of 36

Question 15 of 36

15. An example of neutral equilibrium is:

1.
2.
3.
4.

Question 15 of 36

Question 16 of 36

16. A body is in equilibrium when is:

1.
2.
3.
4.

Question 16 of 36

Question 17 of 36

17. The number of perpendicular components of a force are:

1.
2.
3.
4.

Question 17 of 36

Question 18 of 36

18. In a tight angled triangle, length of a base is 4 cm and perpendicular is 3 cm. Then its tan θ is equal to:

1.
2.
3.
4.

Question 18 of 36

Question 19 of 36

19. Center of gravity of a sphere is at:

1.
2.
3.
4.

Question 19 of 36

Question 20 of 36

20. In SI, unit of torque is:

1.
2.
3.
4.

Question 20 of 36

Question 21 of 36

21. A force of 10 N makes an angle of 90° with x-axis. Its horizontal component is:

1.
2.
3.
4.

Question 21 of 36

Question 22 of 36

22. The center of gravity of a uniform solid cylinder is at:

1.
2.
3.
4.

Question 22 of 36

Question 23 of 36

23. In a right angled triangle, length of a base is 4cm and its hypotenuse is 5cm. The length of a perpendicular is:

1.
2.
3.
4.

Question 23 of 36

Question 24 of 36

24. The center of gravity of a uniform __________ sheet is the point of intersection of its diagonals.

1.
2.
3.
4.

Question 24 of 36

Question 25 of 36

25. The perpendicular distance between the axis of rotation and the line of action of force is called:

1.
2.
3.
4.

Question 25 of 36

Question 26 of 36

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

1.
2.
3.
4.

Question 26 of 36

Question 27 of 36

27. The center of gravity of an irregular shaped body can be found with the help of a:

1.
2.
3.
4.

Question 27 of 36

Question 28 of 36

28. The conditions of equilibrium are:

1.
2.
3.
4.

Question 28 of 36

Question 29 of 36

29. First condition of equilibrium is:

1.
2.
3.
4.

Question 29 of 36

Question 30 of 36

30. According to 2nd condition of equilibrium is:

1.
2.
3.
4.

Question 30 of 36

Question 31 of 36

31. tan 45° is equal to:

1.
2.
3.
4.

Question 31 of 36

Question 32 of 36

32. Sin 45° = cos 45° =

1.
2.
3.
4.

Question 32 of 36

Question 33 of 36

33. Resultant force F is equal to:
1.
2.
3.
4.

Question 33 of 36

Question 34 of 36

34. The number if vectors that can be added by head to tail rule is:

1.
2.
3.
4.

Question 34 of 36

Question 35 of 36

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

1.
2.
3.
4.

Question 35 of 36

Question 36 of 36

36. cos θ is equal to:
1.
2.
3.
4.

Question 36 of 36

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