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

The useful unit of angular replacement in SI unit is:

Question # 2

An axis of rotation

Question # 3

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

Question # 4

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

Question # 5

Direction of angular momentum is determined by:

Question # 6

One radian is equal to:

Question # 7

Which one is related to angular motion:

Question # 8

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

Question # 9

Centripetal acceleration is also called ______ acceleration

Question # 10

The rear wheels of an automobile are rev/sec which is reduced to 38 rad/sec in 5 seconds when brakes are applied. Its angular acceleration is:

Question # 11

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

Question # 12

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

Question # 13

Direction of motion ______ in circular motion:

Question # 14

When a body moves with a constant speed in a circle:

Question # 15

The useful unit of the angular displacement in SI unit is:

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 One radian is
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of these
2 When a body is moves along a circular path with constant speed, it has an acceleration, which is always directed:
A. Along the tangent
B. Toward the centre
C. Away from the centre
D. None of them
3 Final velocity of a hoop is __________ the final velocity of a disc having same mass and radius on coming down an inclined plane.
A. Greater than
B. smaller than
C. Equal to
D. None of these
4 One radian is equal to:
A. 30.3°
B. 45.3°
C. 50.3°
D. 57.3°
5 Direction of motion ______ in circular motion:
A. Changes off and on
B. Changes continuously
C. Does not change
D. None of them
6 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to degree
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 ______ 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
9 The useful unit of angular replacement in SI unit is:
A. Degree
B. Revolution
C. Radian
D. Metre
10 Angular velocity is a:
A. Scalar quantity
B. Vector quantity
C. Complex quantity
D. None of these

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