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

Moment of linear momentum is called.

Question # 2

An axis of rotation

Question # 3

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:

Question # 4

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

Question # 5

Centripetal acceleration is also called ______ acceleration:

Question # 6

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

Question # 7

In rotational motion, analogue of force F us called:

Question # 8

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 # 9

Direction of motion_______ in circular of motion:

Question # 10

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

Question # 11

When angular acceleration is positive, the body rotates:

Question # 12

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

Question # 13

Centripetal acceleration is also called _______ acceleration:

Question # 14

Angular velocity is a:

Question # 15

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

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 The useful unit of angular replacement in SI unit is:
A. Degree
B. Revolution
C. Radian
D. Metre
2 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:
A. 5 rad/sec2
B. -10 rev/sec2
C. -10 rad/sec2
D. -5 rev/sec2
3 A rotating body tends to be slower, when its angular acceleration is:
A. Positive
B. Negative
C. Zero
D. Infinity
4 INTELSAT operates at frequencies 4, 6, 11, 14 having unit of
A. KHz
B. MHz
C. GHz
D. BHz
5 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:
A. 1 m
B. 5 m
C. 10 m
D. 15 m
6 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to degree
D. none of these
7 A stone is tied to the end of a 20 cm along string is whirled in a horizontal circle.
if centripetal acceleration is 9.8 m/sec2, then its angular velocity in rad/sec is:
A. 22/7
B. 7
C. 14
D. 21
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 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of them

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