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

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

Question # 2

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

Question # 3

An axis of rotation

Question # 4

If a gymnast is sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will:

Question # 5

Centripetal force performs:

Question # 6

One radian is equal to:

Question # 7

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

Question # 8

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

Question # 9

Direction of motion ______ in circular motion:

Question # 10

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

Question # 11

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

Question # 12

If a gymnast sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will

Question # 13

A rotating body tends to be slower, when its angular acceleration is:

Question # 14

Angular velocity is a:

Question # 15

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

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 Centripetal acceleration is also called ______ acceleration:
A. Tangential
B. Radial
C. Angular
D. None of them
2 The number of countries who manage the largest satellite system is:
A. 3
B. 24
C. 126
D. 200
3 Moment of linear momentum is called.
A. Moment arm
B. Moment of inertia
C. Inertia
D. Angular momentum
4 INTELSAT operates at frequencies 4, 6, 11, 14 having unit of:
A. KHz
B. MHz
C. GHz
D. BHz
5 One radian is
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of these
6 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of these
7 A body can have constant velocity when it follows:
A. A circular path
B. A rectilinear path
C. Trajectory of a projectile
D. None of these
8 When 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
9 Direction of angular momentum is determined by:
A. Right hand rule
B. Head to tail rule
C. Left hand rule
D. None of them
10 Which one is related to angular motion:
A. Moment of a force
B. Moment of inertia
C. Moment of momentum
D. None of these

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