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

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

Question # 2

One radian is

Question # 3

A body can have constant velocity when it follows:

Question # 4

Centripetal acceleration is also called ______ acceleration:

Question # 5

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

Question # 6

One radian is equal to:

Question # 7

Moment of linear momentum is called.

Question # 8

Moment of inertia depends upon:

Question # 9

Which one is related to angular motion:

Question # 10

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

Question # 11

Centripetal acceleration is also called _______ acceleration:

Question # 12

An axis of rotation

Question # 13

Formula for calculating moment of inertia of the bodies of one pair is same. Tick the answer.

Question # 14

A car is turning around a corner at 10 m/sec as it travels along an arc of circle. If value of centripetal acceleration is 10 m/sec2in this case, find radius of the circular path:

Question # 15

In rotational motion, analogue of force F us called:

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 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
A. 980 N
B. 580 N
C. 1380 N
D. Zero
2 Angular momentum is a:
A. vector quantity
B. Imaginary quantity
C. Complex Quantity
D. Scalar Quantity
3 Direction of motion _______ in circular motion
A. Changes off and on
B. Changes continuously
C. Does not change
D. None of them
4 ______ plays the same role during angular motion as played by the mass in linear motion
A. Torque
B. Angular Momentum
C. Moment of a force
D. Moment of inertia
5 One radian is
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of these
6 Angular velocity is a:
A. Scalar quantity
B. Vector quantity
C. Complex quantity
D. None of these
7 Centripetal acceleration is also called ______ acceleration:
A. Tangential
B. Radial
C. Angular
D. None of them
8 Centripetal force performs:
A. Maximum work
B. Negative work
C. Positive work
D. None of these
9 When angular acceleration is positive, the body rotates:
A. Slower
B. Slowest
C. Faster
D. None of these
10 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

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