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

One radian is equal to:

Question # 2

The instantaneous acceleration of a body moving with constant speed in a circle:

Question # 3

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:

Question # 4

An axis of rotation

Question # 5

A body can have constant velocity when it follows:

Question # 6

Satellites are held in orbits around Earth by its:

Question # 7

Which one is related to angular motion:

Question # 8

Centripetal acceleration is also called ________ acceleration

Question # 9

A stone tied to the end of a 20 cm long string is whirled in a horizontal circle. If centripetal acceleration is 9.8 m/sec2, then its angular velocity is rad/sec is:

Question # 10

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

Question # 11

When angular acceleration is positive, the body rotates:

Question # 12

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

Question # 13

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

Question # 14

Angular velocity is a:

Question # 15

Centripetal acceleration is also called _______ acceleration:

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 Angular velocity is a:
A. Scalar quantity
B. Vector quantity
C. Complex quantity
D. None of these
2 The instantaneous acceleration of a body moving with constant speed in a circle:
A. Remains constant
B. Is called centripetal acceleration
C. Tangential acceleration
D. None of these
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
A. 0.05 m
B. 0.08 cm
C. 0.8 m
D. 0.008 m
4 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
5 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
6 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to degree
D. none of these
7 When a 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
8 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
9 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of them
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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