MDCAT Physics Chapter 3 Rotational and circular motion Online Test

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  • Available questions50
  • Chapter NameCircular Motion
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MDCAT Physics Chapter 3 Rotational and circular motion Online Test

  • Total Questions20

  • Time Allowed20

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MDCAT Physics Chapter 3 Rotational and circular motion Online Test

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Question # 1

Angular displacement in rotational motion is expressed in

Question # 2

A car of 1000kg traveling at 20m/sec rounds a curve of radius 100m. Find the necessary centripetal force

Question # 3

A point on the rim of a wheel 4m in diameter has a velocity of 1600 cm s-1. The angular velocity of the wheel is

Question # 4

The angular momentum changes form 2 units to 6 units in 4s. the torque is

Question # 5

For a particle in circular motion the centripetal acceleration

Question # 6

What happens to the centripetal acceleration of a particle, when its speed is doubled and angular velocity is halved?

Question # 7

When a particle moves in a uniform circular motion. It has:

Question # 8

Ten second after an electric fan is turned on, the fan rotates at 300rev/min. its average angular acceleration is

Question # 9

A couple produces

Question # 10

If the radius of the circular path of particle going around the circle is doubled without changing its frequency of rotation, then centripetal force on it is.

Question # 11

The direction of angular velocity is along

Question # 12

A body is moving in a circle with a constant speed. it has

Question # 13

A particle revolves round a circular path with a constant speed. The accelerationof the particle is

Question # 14

For a body moving with constant speed in a horizontal circle, which of the following remains constant?

Question # 15

SI unit of kinetic energy of rotation is

Question # 16

A body of mass m tied to a string is moved in a vertical circle of radius r. the difference in tensions at the lowest point and the highest point is.

Question # 17

In uniform circular motion, the factor that remains constant is:

Question # 18

A particle is moving with constant speed by keeping itself at constant distance from a fixed point in a given plane. Its motion is

Question # 19

The kinetic energy of a body rotating with an angular speed ๐‘š depends on.

Question # 20

For a particle in uniform circular motion the relation a = r ๐‘Ž of accelerations hold. The acceleration 'a'

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