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

00:00
Question # 1

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

Question # 2

Which one is related to angular motion:

Question # 3

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

Question # 4

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 # 5

One radian is equal to:

Question # 6

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

Question # 7

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

Question # 8

Angular velocity is a:

Question # 9

In case of planets, the necessary acceleration is provided by:

Question # 10

Centripetal acceleration is also called ______ acceleration:

Question # 11

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 # 12

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

Question # 13

Moment of linear momentum is called.

Question # 14

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:

Question # 15

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:

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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 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to degree
D. none of these
3 A point on the rim of a wheel moves 0.2 m where the wheel turns through an angle is 14.3 degrees. The radius of the wheel is:
A. 0.05 m
B. 0.08 m
C. 0.8 m
D. 0.008 m
4 Centripetal acceleration is also called _______ acceleration:
A. Tangential
B. Radial
C. Angular
D. None of them
5 When angular acceleration is positive, the body rotates:
A. Slower
B. Slowest
C. Faster
D. None of these
6 Direction of motion _________ in circular motion
A. Changes off and on
B. Changes continously
C. Does not change
D. None of them
7 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
8 INTELSAT operates at frequencies 4, 6, 11, 14 having unit of
A. KHz
B. MHz
C. GHz
D. BHz
9 Einstein's theory about gravity if better than Newton's because it gave explanation of:
A. Inverse square law
B. Bending of light
C. Both A and B
D. None of above
10 A rotating wheel accelerates up to the value of 0.75 rev/sec2after 2 seconds of its start. Its angular velocity becomes:
A. 9.42 rad/sec
B. 2.6 rev/sec
C. 1.5 rev/sec
D. Both A and C

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  • Ahmed Qureshi

    Ahmed Qureshi

    14 Feb 2018

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