A hollow sphere has radius $6.4 m$ . Minimum velocity required by motor cyclist at bottom to complete the circle will be :

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Important Questions on Circular Motion

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IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise-1>Q 63

A small disc is on the top of a hemisphere of radius

R

. What us the smallest horizontal velocity

v

that should be given to the disc for it to leave the hemisphere and not slide down it? [there is no friction]

HARD

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise-1>Q 64

A coin placed on a rotating turntable just slips if it is placed at a distance of

4 cm

from the center. If the angular velocity of the turntable is doubled, it will just slip at a distance of

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Alpha Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise-1>Q 65

A small block is shot into each of the four tracks as shown below. Each of the tracks rises to the same height. The speed with which the block enters the track is the same in all cases. At the highest point of the track, the normal reaction is maximum in

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IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 7 - Circular Motion>Exercise-1>Q 66

A simple pendulum is oscillating without damping. When the displacement of the bob is less than maximum, its acceleration vector