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

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ECAT Pre General Science Physics Chapter 5 Circular Motion

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Question # 1

Centripetal acceleration is also called ______ acceleration

Question # 2

Moment of linear momentum is called.

Question # 3

Which one is related to angular motion:

Question # 4

A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:

Question # 5

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 # 6

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 # 7

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

Question # 8

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

Question # 9

Conventional the angular Velocity is Directed at an angle of:

Question # 10

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:

Question # 11

Satellites are held in orbits around Earth by its:

Question # 12

Which of the following pairs does not have identical dimensions?

Question # 13

Direction of angular momentum is determined by:

Question # 14

Conventionally the angular velocity is directed to an angle of:

Question # 15

One radian is equal to:

Question # 16

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:

Question # 17

______ plays the same role during angular motion as played by the mass in linear motion

Question # 18

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 # 19

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 # 20

Angular momentum is a:

Question # 21

When an object moves with a uniform angular velocity, then its instantaneous angular velocity is equal to:

Question # 22

The useful unit of angular replacement in SI unit is:

Question # 23

A flywheel accelerates from rest to an angular velocity of 7 rad/sec in 7 seconds. Its average acceleration will be:

Question # 24

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 # 25

The instantaneous acceleration of a body moving with constant speed in a circle:

Question # 26

A rotating wheel accelerates up to the value of 0.75 rev/sec2after 2 seconds of its start. Its angular velocity becomes:

Question # 27

Angular velocity is a:

Question # 28

When angular acceleration is positive, the body rotates:

Question # 29

Circular motion is an example of motion in:

Question # 30

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

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