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Two masses of 3 kg and 4 kg are connecte...

Two masses of 3 kg and 4 kg are connected at the two ends of a light inextensible string that passes over a frictionless pulley. Find the acceleration of the masses and the tension in the string, when the masses are released.

Text Solution

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(i) `a=((M_(1)-M_(2))g)/(M_(1)+M_(2))=((4-3)9.8)/(4+3)=1.4 ms^(-1)`
(ii) `T=(2M_(1)M_(2)g)/(M_(1)+M_(2))=(2(4)(3)(9.8))/(4+3)=33.6 N`.
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