Question: A ?scale? is constructed with a 4-ft-long cord and the 10-lb block D. The cord is fixed to a pin at A and passes over

A ?scale? is constructed with a 4-ft-long cord and the 10-lb block D. The cord is fixed to a pin at A and passes over two small pulleys at B and C. Determine the weight of the suspended block at B if the system is in equilibrium.?

1 ft 1.5 ft

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