Problem 340 - 341 | Equilibrium of Parallel Force System

Problem 340
For the system of pulleys shown in Fig. P-340, determine the ratio of W to P to maintain equilibrium. Neglect axle friction and the weights of the pulleys.
 

Solution 340

Problem 341
If each pulley shown in Fig. P-340 weighs 36 kg and W = 720 kg, find P to maintain equilibrium.
 

Solution 341