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

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

Question # 2

When angular acceleration is positive, the body rotates:

Question # 3

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

Question # 4

Centripetal acceleration is also called ________ acceleration

Question # 5

Conventionally the angular velocity is directed at an angle of

Question # 6

Satellites are held in orbits around Earth by its:

Question # 7

Angular velocity is a:

Question # 8

An axis of rotation

Question # 9

One radian is equal to:

Question # 10

Centripetal acceleration is also called _______ acceleration:

Question # 11

One radian is

Question # 12

A body can have constant velocity when it follows:

Question # 13

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:

Question # 14

The center of mass of a sphere lies at:

Question # 15

Angular velocity is a:

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 When a body moves with a constant speed in a circle:
A. No work is done on it
B. No acceleration is produced in the body
C. Velocity remains constant
D. None of these
2 Circular motion is an example of motion in:
A. One dimension
B. Two dimensions
C. Three dimensions
D. None of these
3 The number of "Earth stations" which transmit signals to satellites and receive signals from them are:
A. 3
B. 24
C. 126
D. 200
4 One radian is
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of these
5 Centripetal acceleration is also called _______ acceleration:
A. Tangential
B. Radial
C. Angular
D. None of them
6 A car is 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 Moment of inertia depends upon:
A. Mass
B. Selection of axis of rotation
C. Both of them
D. None of these
8 Centripetal force performs:
A. Maximum work
B. Negative work
C. Positive work
D. None of these
9 Angular velocity is a:
A. Scalar quantity
B. Vector quantity
C. Complex quantity
D. None of these
10 The number of "Earth Stations" which transmit signals to satellites and receive signals fro them are
A. 3
B. 24
C. 126
D. 200

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