In a given figure system is in equilibrium. If W1 = 300 N. Then W2 is approximately equal to

(A) 500 N                    (B) 400 N                 (C) 670 N                   (D) 300 N

Dear Student ,
Here in this case the whole system is in equilibrium so the weight W1 and W2 will be equal and they will be 300 N approximately .
Now you can also prove this by equation here the tension in the chords be T and the vertical components will be T sin 370= W1 =W2 
So here W1 = W2 so we can say that W2 will also be 300 N approximately .

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