# Find the least force P that will just start the system of blocks moving to the right , Take u=0.3 , Assume smooth Pulley

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Find the least force P that will just start the system of blocks moving to the right , Take u=0.3 , Assume smooth Pulley

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is that angle alpha and theta ? what is 3 are they showing a right angle triangle if yes then alpha=30 and theta=60