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

Moment of linear momentum is called.

Question # 2

Conventional the angular Velocity is Directed at an angle of:

Question # 3

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

Question # 4

Angular velocity is a:

Question # 5

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

Question # 6

A 1000 Kg car travelling with a speed of 90 km/hr turns around a curve of radius 0.1 km. The necessary centripetal force comes out to be:

Question # 7

The center of mass of a sphere lies at:

Question # 8

One radian is:

Question # 9

Which of the following pairs does not have identical dimensions?

Question # 10

A body can have constant velocity when it follows:

Question # 11

The number of "Earth Stations" which transmit signals to satellites and receive signals fro them are

Question # 12

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

Question # 13

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

Question # 14

An axis of rotation

Question # 15

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

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 Direction of motion ______ in circular motion:
A. Changes off and on
B. Changes continuously
C. Does not change
D. None of them
2 Centripetal force performs:
A. Maximum work
B. Negative work
C. Positive work
D. None of these
3 The angular speed of a particle moving along a circular path is 5 Pie rad sec-1, Its period of motion is:
A. 2.5 sec
B. 0.06 sec
C. 15.7 sec
D. 0.4 sec
4 Direction of angular momentum is determined by:
A. Right hand rule
B. Head to tail rule
C. Left hand rule
D. None of them
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 One radian is equal to:
A. 30.3°
B. 45.3°
C. 50.3°
D. 57.3°
8 Which one is related to angular motion:
A. Moment of a force
B. Moment of inertia
C. Moment of momentum
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 flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:
A. 49 rad/sec2
B. 1 rad/sec2
C. 0.16 rev/sec2
D. Both A and C

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