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

One radian is

Question # 2

Direction of motion ______ in circular motion:

Question # 3

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

Question # 4

Direction of motion _______ in circular motion

Question # 5

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

Question # 6

A car is turning around a corner at 10 m/sec as it travels along an arc of a circle. If value of centripetal acceleration is 10 m/sec2in this case, find radius of the circular path:

Question # 7

Which one is related to angular motion:

Question # 8

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

Question # 9

Angular velocity is a:

Question # 10

Centripetal force performs:

Question # 11

The rear wheels of an automobile are rotating with an angular velocity of 14 rev/sec which is reduced to 38 rad/sec in 5 second when brakes are applied. Its angular acceleration is:

Question # 12

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

Question # 13

One radian is:

Question # 14

Satellites are held in orbits around Earth by its:

Question # 15

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

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 Direction of angular momentum is determined by:
A. Right hand rule
B. Head to tail rule
C. Left hand rule
D. None of them
2 Formula for calculating moment of inertia of the bodies of one pair is same. Tick the answer.
A. Disc, sphere
B. sphere, hoop
C. Thin rod, hoop
D. Hoop,disc
3 One radian is equal to:
A. 30.3°
B. 45.3°
C. 50.3°
D. 57.3°
4 Centripetal acceleration is also called ______ acceleration
A. Tangential
B. Radial
C. Angular
D. None of them
5 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
6 When angular acceleration is positive, the body rotates:
A. Slower
B. Slowest
C. Faster
D. None of these
7 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of them
8 The number of countries who manage the largest satellite system is:
A. 3
B. 24
C. 126
D. 200
9 One radian is
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of these
10 Direction of motion _________ in circular motion
A. Changes off and on
B. Changes continously
C. Does not change
D. None of them

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