ECAT Pre Computer Science Chapter 5 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 5 Circular Motion

Try The MCQ's Test For ECAT Physics Chapter 5 Circular Motion

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ECAT Physics Chapter 5 Circular Motion

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Question # 1

Circular motion is an example of motion in:

Question # 2

A body moving along the circumference of a circle of radius R completes one revolution. The radius of a covered path to the angle subtended at the centre is:

Question # 3

A point on the rim of a wheel moves 0.2 m when the wheel turns through an angle of 14.3 degrees. The radius of the wheel is:

Question # 4

When a body is moves along a circular path with constant speed, it has an acceleration, which is always directed:

Question # 5

Centripetal acceleration is also called ______ acceleration:

Question # 6

The number of countries who manage the largest satellite system is:

Question # 7

______ plays the same role during angular motion as played by the mass in linear motion

Question # 8

Angular momentum is a:

Question # 9

Direction of angular momentum is determined by:

Question # 10

When a body moves with a constant speed in a circle:

Question # 11

When angular acceleration is positive, the body rotates:

Question # 12

The number of "Earth stations" which transmit signals to satellites and receive signals from them are:

Question # 13

A body moving along the circumference of a circle of radius R completes one revolution. The radius of the covered path to the angle subtended at the center is:

Question # 14

The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 9.8 m sec-2comes out to be

Question # 15

A disc rolls down a hill and its speed at bottom is found to be 11.4 m/sec. Height of the hill is then nearly:

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 When an object moves with a uniform angular velocity, then its instantaneous angular velocity is equal to:
A. Zero
B. Its average velocity
C. Its angular displacement
D. None of these
2 An axis of rotation
A. Is a straight line
B. Is normal to the plane of rotation
C. Passes through pivot point O
D. All of them
3 Angular velocity is a:
A. Scalar quantity
B. Vector quantity
C. Complex quantity
D. None of these
4 A body can have constant velocity when it follows:
A. A circular path
B. A rectilinear path
C. Trajectory of a projectile
D. None of these
5 When angular acceleration is positive, the body rotates:
A. Slower
B. Slowest
C. Faster
D. None of these
6 A point on the rim of a wheel moves 0.2 m where the wheel turns through an angle is 14.3 degrees. The radius of the wheel is:
A. 0.05 m
B. 0.08 m
C. 0.8 m
D. 0.008 m
7 Centripetal acceleration is also called ______ acceleration:
A. Tangential
B. Radial
C. Angular
D. None of them
8 Moment of inertia depends upon:
A. Mass
B. Selection of axis of rotation
C. Both of them
D. None of these
9 The number of "Earth stations" which transmit signals to satellites and receive signals from them are:
A. 3
B. 24
C. 126
D. 200
10 A point on the rim of a wheel moves 0.2 m when the wheel turns through an angle of 14.3 degrees. The radius of the wheel is:
A. 0.05 m
B. 0.08 m
C. 0.8 m
D. 0.008 m

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