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

An axis of rotation

Question # 2

Direction of angular momentum is determined by:

Question # 3

Angular velocity is a:

Question # 4

Centripetal acceleration is also called ______ acceleration:

Question # 5

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 # 6

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

Question # 7

Conventional the angular Velocity is Directed at an angle of:

Question # 8

Direction of motion _______ in circular motion

Question # 9

A disc rolls down a hill and its speed at bottom is found to be 11.4 m/sec. Height of the hill is then nearly:

Question # 10

Direction of motion _________ in circular motion

Question # 11

When an object moves with a uniform angular velocity, then its instantaneous angular velocity is equal to:

Question # 12

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

Question # 13

When angular acceleration is positive, the body rotates:

Question # 14

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 # 15

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

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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 these
2 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of these
3 The useful unit of angular replacement in SI unit is:
A. Degree
B. Revolution
C. Radian
D. Metre
4 INTELSAT operates at frequencies 4, 6, 11, 14 having unit of
A. KHz
B. MHz
C. GHz
D. BHz
5 Circular motion is an example of motion in:
A. One dimension
B. Two dimensions
C. Three dimensions
D. None of these
6 Centripetal acceleration is also called ______ acceleration:
A. Tangential
B. Radial
C. Angular
D. None of them
7 ______ 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
8 Angular velocity is a:
A. Scalar quantity
B. Vector quantity
C. Complex quantity
D. None of these
9 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
10 Conventionally the angular velocity is directed at an angle of
A. 90° to the axis of rotation
B. 30° to the axis of rotation
C. 0° to the axis of rotation
D. None of the above

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