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Question

Two unequal masses (m1 and m2) are connected by a string which passes over a frictional pulley. If M1,M2 and the table are frictionless, the acceleration of the masses would be
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A
M1gM1+M2
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B
M1+M2M1g
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C
M2gM1+M2
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D
None of these
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Solution

The correct option is A M1gM1+M2
For Mass M2

T=M2a

for M1

T+M1a=M1g

M2a+M1a=M1g


a=M1gM2+M1

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