1.

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 E if the system is in equilibrium when s = 1.5 ft.

A. W = 8.01 lb
B. W = 14.91 lb
C. W = 17.63 lb
D. W = 18.33 lb
Answer» E.


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