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A cord is wound round the circumference of wheel of radius . The axis of the wheel is horizontal and moment of inertia about it is . A weight  is attached to the end of the cord and falls from the rest. After falling through a distance , the angular velocity of the wheel will be

a)

b)

c)

d)



Question ID - 52694 | SaraNextGen Top Answer

A cord is wound round the circumference of wheel of radius . The axis of the wheel is horizontal and moment of inertia about it is . A weight  is attached to the end of the cord and falls from the rest. After falling through a distance , the angular velocity of the wheel will be

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

We know

127 votes


127