ECAT Pre Engineering Physics Chapter 5 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 5 Circular Motion

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

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Physics ECAT Pre Engineering Chapter 5 Circular Motion

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Question # 1

The angular speed of a particle moving along a circular path is 5 Pie rad sec-1, Its period of motion is:

Question # 2

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

Question # 3

One radian is equal to:

Question # 4

If a gymnast is sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will:

Question # 5

Radian is defined as the angle subtended at the center of a circle by an arc of:

Question # 6

INTELSAT operates at frequencies 4, 6, 11, 14 having unit of:

Question # 7

Einstein's theory about gravity if better than Newton's because it gave explanation of:

Question # 8

In case of planets, the necessary acceleration is provided by:

Question # 9

One radian is

Question # 10

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

Question # 11

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:

Question # 12

Satellites are held in orbits around Earth by its:

Question # 13

An axis of rotation

Question # 14

Which one is related to angular motion:

Question # 15

In rotational motion, analogue of force F us called:

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ECAT Class Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 Circular motion is an example of motion in:
A. One dimension
B. Two dimensions
C. Three dimensions
D. None of these
2 Centripetal acceleration is also called ________ acceleration
A. Tangential
B. Radial
C. Angular
D. None of these
3 When angular acceleration is positive, the body rotates:
A. Slower
B. Slowest
C. Faster
D. None of these
4 The number of "Earth Stations" which transmit signals to satellites and receive signals fro them are
A. 3
B. 24
C. 126
D. 200
5 Moment of inertia depends upon:
A. Mass
B. Selection of axis of rotation
C. Both of them
D. None of these
6 A toy car moves around a circular track of radius 0.3 m at the rate of 120 rev/min. The speed V of the car is:
A. 38 m/sec
B. 3.8 m/sec
C. 0.6 m/sec
D. None of these
7 INTELSAT operates at frequencies 4, 6, 11, 14 having unit of
A. KHz
B. MHz
C. GHz
D. BHz
8 When body moves along a circular path with constant speed, it has an acceleration, which is always directed;
A. Along the tangent
B. Towards the centre
C. Away from the centre
D. None of them
9 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
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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