ECAT Pre General Science Physics Chapter 5 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 5 Circular Motion

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 5 Circular Motion

  • Total Questions30

  • Time Allowed30

ECAT Pre General Science Physics Chapter 5 Circular Motion

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Question # 1

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

Question # 2

Angular momentum is a:

Question # 3

A disc rolls down a hill and its speed at bottom is found to be 11.4 m/sec. Height of the hill is then nearly:

Question # 4

The center of mass of a sphere lies at:

Question # 5

Direction of motion_______ in circular of motion:

Question # 6

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 # 7

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

Question # 8

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

Question # 9

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 # 10

Centripetal force performs:

Question # 11

One radian is equal to:

Question # 12

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:

Question # 13

Centripetal acceleration is also called _______ acceleration:

Question # 14

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 # 15

If a gymnast is sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will:

Question # 16

If a gymnast sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will

Question # 17

A rotating body tends to be slower, when its angular acceleration is:

Question # 18

Angular velocity is a:

Question # 19

Direction of motion _______ in circular motion

Question # 20

Direction of motion _________ in circular motion

Question # 21

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 # 22

In rotational motion, analogue of force F us called:

Question # 23

Which of the following pairs does not have identical dimensions?

Question # 24

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

Question # 25

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

Question # 26

One radian is

Question # 27

Centripetal acceleration is also called ________ acceleration

Question # 28

When angular acceleration is positive, the body rotates:

Question # 29

Direction of motion ______ in circular motion:

Question # 30

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

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    Waleed Ahmed 23 - Feb - 2023 16 Min 18 Sec 30/120
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    hamza abid 13 - Jun - 2022 10 Min 50 Sec 15/120
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