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As shown in Fig. three masses m, 3m and 5m connected together lie on a frictionless horizontal surface and pulled to the left by a force F. The tension `T_(1)` in the first string is 24 N. Find (i) acceleration of the system, (ii) tension in the second string, and (iii) force F.

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The correct Answer is:
(i) a=3/m (ii) `T_(2)=15N` (iii) F = 27
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