Question

2. A string is wrapped around a wheel of radius 'r'. The
axis of the wheel is horizontal and its moment of
inertia about the axis is I. Weight 'mg' is tied to free
end at the string which is released to fall down from
rest position. The angular velocity of wheel after
weight has fallen through distance 'h' will be
1
(1)
2mgh 2
1+mr?
2
2gh
(2)
It mr²
&
(3) 2gh
(4)
2gh
21+ mr2
3.
A​

Answer 1

Answer:

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