# 9th Class Physics Chapter 4 MCQs | Turning Effects of Force MCQs

In this section, we will 9th Class Physics Chapter 4 MCQs with answers. All these Physics MCQs are important for class 9th students Online Test Preparation.

In this chapter, we have covered all important Multiple Choice Questions solved with answers. We have broadly covered these topics:

Force, Resolution of Forces, Center of Mass, Center of Gravity, Torque, Equilibrium, and Stability from Turning Effects of Force.

All these Chapter 4 MCQs of class 9th Physics are helpful in competitive exams tests like CSS, PMS Test, Lecturer Physics test, NTS Test, ETEA Test, Entry Test, and College or university entrance test.

## 9th Class Physics Chapter 4 MCQs for Online Test Preparation

1: When we apply force with our both hands on the steering wheel of a car to turn it the force we are applying is:

• a) Like a parallel force
• b) Unlike parallel force
• c) Both Like and Unlike Parallel
• d) None of these

b) Unlike parallel force

2: The process of spitting a force vector into two or more force vectors is called_________.

• a) Resolution of Forces
• c) Rotation of Forces
• d) None of these Forces

a) Resolution of Forces

3: The type of motion in which all points of an object moves about a single fixed axis is called____________.

• a) Random motion
• b) Trasnlatory motion
• c) Rotational motion
• d) Vibratory motion

c) Rotational motion

### 4: The point about which mass is equally distributed in all diretions is known as:

• a) Center of Gravity
• b) Mass
• c) Center of Mass
• d) Torque

c) Center of Mass

5: The S.I unit of Torque is_____________.

• a) Nm
• b) m/s
• c) N/m
• d) Nm2

a) Nm

6:Turning effect produced in a body about a fixed point due to applied force is called ______.

• a) Gravity
• b) Velocity
• c) Equaliburm
• d) Torque

d) Toque

7: Torque τ is mathematically represented as:

• a) τ = d/F
• b) τ=F2 x d
• c) τ=F x d
• d) τ= F x d2

c) τ=F x d

Mathematically represents:

• a) Torque
• b) First Condition of equilibrium
• c) Second Condition of equilibrium
• d) Moment of force

b) First Condition of Equilibruim

9: A single point where the whole weight of an object appears to act is known as :

• a) Center of Mass
• b) Stability
• c) Couple
• d) Center of Gravity

d) Center of Gravity

10: The combination of two or more than two vectors to get a single vector is called____________.

• b) Subtraction of Vectors
• c) Subtraction of Vectors
• d) Multiplication of Vectors

### 11: A ________________consist of two forces that are equal in magnitude, but opposite in direction.

• a) Pivot
• b) Net Force
• c) Couple
• d) Center of Mass

c) Couple

12: A paratrooper falling down with constant velocity is a good example of :

• a) Static Equilibrium
• b) Dynamic Equilibrium
• c) Unstable Equilibrium
• d) None of these

b) Dynamic Equilibrium

13: Conventionally, a clock wise Torque is taken_______________.

• a) Positive
• b) Zero
• c) Parallel
• d) Negative

d) Negative

14: The shortest distance between two couple forces is called___________.

• a) Moment Arm
• b) Couple Arm
• d) Double Moment

b) Couple Arm

15: Torque τ is a ___________quantity.

• a) Vector
• b) Scalar
• c) Both
• d) None

a) Vector

#### Conclusion:

In this 9th Class Physics Chapter 4 MCQs we have covered the Turning Effects of Force MCQs for Online Test Preparation. If you need more Class 9th Physics MCQs with Answers, you can find them below.