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Q.

In the arrangement shown m1=300kg,  m2=400 kg , the system is in equilibrium. The tension in the rope AB is                     

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a

50 kgwt

b

100 kgwt

c

500 kg wt

d

1000 kgwt

answer is B.

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Detailed Solution

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Given m1=300kg

m2=400kg

∴Tsinθ=m2g

Tcosθ=m1g

T=gm12+m22

T=500g

T=500 kgwt

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