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Last Updated On 23-10-2022 - By Sara

A solid sphere rests on a horizontal surface. A horizontal impulse is applied at height  from centre. The sphere starts starts rolling just after the application of impulse. The ratio will be

a)

b)

c)

d)


Question ID - 100177 :-

A solid sphere rests on a horizontal surface. A horizontal impulse is applied at height  from centre. The sphere starts starts rolling just after the application of impulse. The ratio will be

a)

b)

c)

d)

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

Rolling is rotation about point of contact. Applying impulse momentum equation about

    …(i)

and          …(ii)

As sphere rolls and

After solving, we get



Next Question :

In the figure shown, a small ball of mass ‘ ’ can move without sliding in a fixed semicircular track of radius  in a vertical plane. It is released from the top. The resultant force on the ball at the lowest point of the track is

a)

b)

c)

d)

Zero


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