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50 55 Deg Determine for what least value of the pulling force P and angle e, in the system as shown below, to cause

50 55 Deg Determine for what least value of the pulling force P and angle e, in the system as shown below, to cause the motion of the blocks to impend from left to right ? Assume the pulley to be smooth and coefficient of friction between the mating surfaces be 0.20. The weight of block

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