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Two bodies with masses m1 and m2 ,(m1>m2...

Two bodies with masses `m_1` and `m_2` ,`(m_1>m_2)` are joined by a massless string passing over a fixed pulley.The downward acceleration of mass `m_1 ` is :

A

`((m_1 - m_2)/(m_1 + m_2) ) g`

B

`(m_1g)/(m_1 + m_2 )`

C

`(m_2g)/((m_1 + m_2) )`

D

`( (m_1 - m_2)/(m_1 + m_2) ) g`.

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