Question

The reading of S?:

4. In the arranwment shown. the pulleys are fixed and ideal, the strings are light. m1 > m2 and S is a spring balance which is itself massless. The reading of S (in unit of mass) is :


(A) (m1-m2) (B) 12 (m1-m2)(C) m1m2m1+m2 (D) 2m1m2m1+m2

Answer 1

I would B
the right answer