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

Centripetal acceleration is also called ______ acceleration

Question # 2

Centripetal acceleration is also called _______ acceleration:

Question # 3

Centripetal acceleration is also called ________ acceleration

Question # 4

Moment of linear momentum is called.

Question # 5

The center of mass of a sphere lies at:

Question # 6

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:

Question # 7

Angular momentum is a:

Question # 8

Which of the following pairs does not have identical dimensions?

Question # 9

Conventionally the angular velocity is directed at an angle of

Question # 10

Direction of motion ______ in circular motion:

Question # 11

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

Question # 12

Conventional the angular Velocity is Directed at an angle of:

Question # 13

In rotational motion, analogue of force F us called:

Question # 14

Centripetal acceleration is also called ______ acceleration:

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 A body can have constant velocity when it follows:
A. A circular path
B. A rectilinear path
C. Trajectory of a projectile
D. None of these
2 The number of countries who manage the largest satellite system is:
A. 3
B. 24
C. 126
D. 200
3 Centripetal acceleration is also called ______ acceleration:
A. Tangential
B. Radial
C. Angular
D. None of them
4 Angular momentum is a:
A. vector quantity
B. Imaginary quantity
C. Complex Quantity
D. Scalar Quantity
5 A point on the rim of a wheel moves 0.2 m when the wheel turns through an angle of 14.3 degrees. The radius of the wheel is
A. 0.05 m
B. 0.08 cm
C. 0.8 m
D. 0.008 m
6 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
7 INTELSAT operates at frequencies 4, 6, 11, 14 having unit of:
A. KHz
B. MHz
C. GHz
D. BHz
8 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
9 Radian is defined as the angle subtended at the center of a circle by an arc of:
A. Length equal to its diameter
B. Length equal to its radius
C. Any length
D. None of these
10 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

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