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9th Class MCQs Physics Chapter No.4 Turning Effect of Forces

9th Class MCQs Physics Chapter No.4 Turning Effect of Forces,BISE Bahawalpur,Lahore Board,Rawalpindi Board,Faisalabad Board,Matric Exam online Preparation,Quiz

PHYSICS – Class 9th
Chapter Name : Turning Effect of Forces
Chapter No. 4
Multiple Choice Questions
Note : All MCQ’s selected in this test are from OLD Matric board Papers and Text Book.








Book Name :  PHYSICS
Chapter No.  4
Chapter Name : Physical Quantities and Measurement 
Total MCQ from Text Book :  59
Book Version  :
2023

Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Matric Boards of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade  : 9th ( Matric)
Total Marks : 59
Total Time :   59 minutes 




9

Class 9th Physics Chapter No 04 Turning Effect of Forces

Class 9th Physics Chapter No 04 Turning Effect of Forces

1 / 59

The direction of the resultant vector can be found by______________

2 / 59

Trigonometry is the branch of _______.

3 / 59

A couple is formed by:

4 / 59

It is a vector quantity.

5 / 59

Racing cars are made stable by:

6 / 59

The centre of gravity of a triangle is at: RWP G2 2014

7 / 59

What is such a state in which on disturbing a body slightly, the body comes back to its original position called?

8 / 59

If a Force of 10 N is making an angle of 30° with x-axis then its horizontal component will be: DGK Gl, FSD G2 2014

9 / 59

According to second condition of equilibrium must be zero: BWP G2 2014

10 / 59

If Fy=4N and Fx=3N what is the magnitude of resultant vector.

11 / 59

Where does the centre of gravity of a cylinder lie?

12 / 59

Mass is a _______quantity.

13 / 59

States of Equilibrium are: DGK G2 2014

14 / 59

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

15 / 59

On what does torque depend?

16 / 59

Where does the centre of gravity of a uniform rod lie?

17 / 59

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

18 / 59

Which of the following is the magnitude of the vector F?

19 / 59

Racing cars are made stable by: MTN Gl, BWP Gl, FSD Gl, DGK Gl, GUJ Gl 2014

20 / 59

A body is in equilibrium when its:

21 / 59

F=10N is making an angle 90° with x-axis then its x-components is________________.

22 / 59

if the directions of the parallel forces are opposite to one another, then these are called:

23 / 59

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

24 / 59

In a right angle triangle length of base is 4cm and perpendicular is 3cm, then its Cos θ is equal to: DGK G2 2014

25 / 59

What is the unit of torque in SI?

26 / 59

The number of perpendicular components of a force are:

27 / 59

The center of gravity of round plate lies at ________

28 / 59

Sin 45° is equal to: BWP Gl 2014

29 / 59

A body is in neutral equilibrium when its center of gravity: RWP G, FSD GI 2014

30 / 59

If Fy = 4N and Fx = 3N what is magnitude of resultant force: LHR Gl 2014

31 / 59

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

32 / 59

A force of 10 N is making an angle of 300 with the horizontal. Its horizontal component will be:

33 / 59

The ratio of perpendicular and base is

34 / 59

The direction of torque can be found by______________.

35 / 59

Centre of gravity is a point where the whole ______ of the body act

36 / 59

A body is in Equilibrium when its:

37 / 59

What is the value of cos45°?

38 / 59

In resolution of vectors, the vector is resolved only in

39 / 59

Centre of gravity of sphere is at: LHR G2 2014

40 / 59

A body is in neutral Equilibrium when its centre of gravity:

41 / 59

Turning effect of a force is called:

42 / 59

The direction of force F with x-axis is given by: SGD Gl 2014

43 / 59

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

44 / 59

What is the value ofsin0°?

45 / 59

Newton's first law of motion is valid only in the absence of: LHR Gl 2014

46 / 59

How many states of equilibrium are there?

47 / 59

What is the value of cos0°?

48 / 59

The centre of gravity of uniform ________ sheet is the point of intersection of its diagonals. MTN Gl 2014

49 / 59

If the direction of the parallel forces is the same, then these are called:

50 / 59

The direction of Resultant. vector can be found by θ = ________ BWP G2 2014

51 / 59

A couple is formed by

52 / 59

cos 60° = ______________SGD Gl 2014

53 / 59

Racing cars are made stable by:

54 / 59

The perpendicular distance between the line of action of force and the axis of rotation is known as

55 / 59

The number of perpendicular components of a force is: FSD G2,GUJ G2 2014

56 / 59

First condition of equilibrium is: LHR G2 2014

57 / 59

The number of perpendicular components of a forces:

58 / 59

A body is in equilibrium when its: SGD G2 2014

59 / 59

Complete equation Fy /Fx = ___________________ GUJ Gl 2014

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