7. The pulley-crate system is in equilibrium as shown in the figure. The 4 ft long cord is fixed at & and passes over tw
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7. The pulley-crate system is in equilibrium as shown in the figure. The 4 ft long cord is fixed at & and passes over tw
7. The pulley-crate system is in equilibrium as shown in the figure. The 4 ft long cord is fixed at & and passes over two small pulleys at B and C. Determine the weight of block 87 Figure is not to scale 1 ft Post -1.8 A -5 15 lb W Extra space for short problem calculations:
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