# Class 9 Physics Chapter 4 MCQs 2024

Students if you are looking for the 9th Class Physics Chapter 4 MCQs Notes if yes? then you visit the right place where you can easily find Physics Chapter No. 4 most important MCQs with answers.

Students You know that these Chapter 4 Turning Effect of Forces MCQs of Physics are helpful so don’t ignore them to read and find MCQs from your Physics book of the 9th class.

## 9th Class Physics Chapter 4 MCQs Notes

1: Two equal but unlike parallel forces having different lines of action produce

(a) a torque
(b) a couple
(c) equilibrium
(d) neutral equilibrium

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

(a) 2
(b) 3
(c) 4
(d) any number

3: The number of perpendicular components of a force are:

(a) 1
(b) 2
(c) 3
(d) 4

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

(a) 4 N
(b) 5 N
(c) 7 N
(d) 8.7 N

5: A couple is formed by

(a) two forces perpendicular to each other
(b) two parallel forces
(c) two equal and opposite forces in the same line
(d) two equal and opposite forces not in the same line

6: A body is in equilibrium when its:

(a) acceleration is uniform
(b) speed is uniform
(c) speed and acceleration are uniform
(d) acceleration is zero

7: A body is in neutral equilibrium when its center of gravity:

(a) is at its highest position
(b) is at the lowest position
(c) keeps its height if displaced
(d) is situated at its bottom

8: Racing cars are made stable by:

(a) increasing their speed
(b) decreasing their mass
(c) lowering their center of gravity
(d) decreasing their width