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A bob of mass m1 hangs by a light inext...

A bob of mass `m_1` hangs by a light inextensible string which passes over a fixed smooth pulley P and connects a ring of mass `m_2` The ring is constrained to move along a smooth rigid horizontal rod. The instantaneous velocities and accelerations of the bodies are `v_1 , a_1 and v_2 ,a_2` respectively, then

A

`v_1 =v_2 cos theta , a_1 = a_2 cos theta`

B

`v_2 =v_1 cos theta , a_2 = a_1 cos theta`

C

`v_1 =v_2 sin theta , a_1 = a_2 sin theta`

D

`m_2v_2=m_1v_1sin theta,m_2m_2=m_1a_1sin theta`

Text Solution

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The correct Answer is:
A
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