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

One radian is:

Question # 2

Circular motion is an example of motion in:

Question # 3

Centripetal acceleration is also called ______ acceleration:

Question # 4

The number of "Earth stations" which transmit signals to satellites and receive signals from them are:

Question # 5

Direction of motion _______ in circular motion

Question # 6

Centripetal acceleration is also called _______ acceleration:

Question # 7

Conventional the angular Velocity is Directed at an angle of:

Question # 8

Radian is defined as the angle subtended at the center of a circle by an arc of:

Question # 9

Conventionally the angular velocity is directed at an angle of

Question # 10

The center of mass of a sphere lies at:

Question # 11

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 # 12

Moment of linear momentum is called.

Question # 13

The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 0.8 m sec-2comes out to:

Question # 14

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

Question # 15

One radian is equal to:

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ECAT Physics Chapter 5 Important MCQ's

Sr.# Question Answer
1 When a body moves along a circular path with constant speed, it has an acceleration, which is always directed
A. Along the tangent
B. Towards the centre
C. Away from the centre
D. None of them
2 Angular momentum is a:
A. vector quantity
B. Imaginary quantity
C. Complex Quantity
D. Scalar Quantity
3 Centripetal force performs:
A. Maximum work
B. Negative work
C. Positive work
D. None of these
4 A stone tied to the end of a 20 cm long string is whirled in a horizontal circle. If centripetal acceleration is 9.8 m/sec2, then its angular velocity is rad/sec is:
A. 22/7
B. 7
C. 14
D. 21
5 If a gymnast sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will
A. Increase
B. Decrease
C. Remain constant
D. None of these
6 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:
A. 38 m/sec
B. 3.8 m/sec
C. 0.6 m/sec
D. None of these
7 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:
A. Radius of the circle
B. Twice the radius
C. Thrice the radius
D. None of these
8 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
9 One radian is:
A. Greater than one degree
B. Less than one degree
C. Equal to one degree
D. None of them
10 When body moves along a circular path with constant speed, it has an acceleration, which is always directed;
A. Along the tangent
B. Towards the centre
C. Away from the centre
D. None of them

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