Beta Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise (Conceptual Questions)>Q 16

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A car moving with speed $30 {ms}^{- 1}$ on a circular path of radius $500 m$ . Its speed is increasing at the rate of $2 {ms}^{- 2}$ . The acceleration of the car is :-

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Important Questions on Circular Motion

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Beta Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise (Conceptual Questions)>Q 17

If a particle is rotating uniformly in a horizontal circle, then -

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Beta Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise (Conceptual Questions)>Q 18

A body of mass

1 kg

is tied to one end of a string and is revolved in a horizontal circle of radius

0.1 m

with a speed of

3 revolution s^{- 1}

. Assuming that the effect of gravity is negligible, then linear velocity, acceleration and tension in the string will be,

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Beta Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise (Conceptual Questions)>Q 19

A particle moves along a circle of radius

(\frac{20}{π})

m

with constant tangential acceleration. If the velocity of the particle is

80 m / s

at the end of second revolution after the motion has begun, the tangential acceleration is

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Beta Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise (Conceptual Questions)>Q 20

The angular velocity of a wheel is

70 rad s^{- 1} .

If the radius of the wheel is

0.5 m,

then linear velocity of the wheel is

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Beta Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise (Conceptual Questions)>Q 21

A fly wheel rotating at

600 rev \min^{- 1}

is brought under uniform deceleration and stopped after 2 minutes, then what is angular deceleration in

rad s^{- 2}

?

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Beta Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise (Conceptual Questions)>Q 22

The linear and angular acceleration of a particle are

10 m s^{- 2}

and

5 rad s^{- 2}

respectively. It will be at a distance from the axis of rotation of-

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Beta Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise (Conceptual Questions)>Q 23

The angular acceleration of particle moving along a circular path with uniform speed :

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Beta Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise (Conceptual Questions)>Q 24

If the speed and radius both are trippled for a body moving on a circular path, then the new centripetal force will be :