ECAT Pre Engineering Physics Chapter 5 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 5 Circular Motion

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 5 Circular Motion

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Physics ECAT Pre Engineering Chapter 5 Circular Motion

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Question # 1

A body moving along the circumference of a circle of radius R completes one revolution. The radius of a covered path to the angle subtended at the centre is:

Question # 2

One radian is:

Question # 3

Centripetal acceleration is also called _______ acceleration:

Question # 4

A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:

Question # 5

Centripetal acceleration is also called ______ acceleration:

Question # 6

Moment of inertia depends upon:

Question # 7

Final velocity of a hoop is __________ the final velocity of a disc having same mass and radius on coming down an inclined plane.

Question # 8

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

Question # 9

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

Question # 10

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 # 11

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

Question # 12

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

Question # 13

A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:

Question # 14

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

Question # 15

A toy car moves around a circular track of radius 0.3 m at the rate of 120 rev/min. The speed V of the car is:

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 A rotating body tends to be slower, when its angular acceleration is:
A. Positive
B. Negative
C. Zero
D. Infinity
2 The instantaneous acceleration of a body moving with constant speed in a circle:
A. Remains constant
B. Is called centripetal acceleration
C. Tangential acceleration
D. None of these
3 Satellites are held in orbits around Earth by its:
A. Gravitational field
B. Magnetic field
C. Own orbital motion
D. Own spin motion
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 them
6 ______ 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
7 Conventionally the angular velocity is directed to 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
8 Conventional 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 above
9 Moment of inertia depends upon:
A. Mass
B. Selection of axis of rotation
C. Both of them
D. None of these
10 A car is moves around a circular track of radius 0.3 m at the rate of 120 rev/min. The speed v of the car is:
A. 38 m/sec
B. 3.8 m/sec
C. 0.6 m/sec
D. None of these

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  • Ahmed Qureshi

    Ahmed Qureshi

    14 Feb 2018

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