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Q.

A light string passes over a frictionless pulley. To one of its ends a mass of 6 kg is attached. To its other end a mass of 10 kg is attached. The tension in the thread will be

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a

160 N

b

24.5 N  

c

73.5 N

d

2.45 N

answer is D.

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Detailed Solution

Tension in string is given by T=2m1m2m1+m2g

on putting the values we get,

T=73.5N

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A light string passes over a frictionless pulley. To one of its ends a mass of 6 kg is attached. To its other end a mass of 10 kg is attached. The tension in the thread will be