Question: Find the minimum value of force ' P ' required to get the block to move up the plane. Frictional coefficient between A and the

Find the minimum value of force ' P ' required to get the block to move up the plane. Frictional coefficient between A and the surface is 0.3 and that between A &B is 0.4. Given: WA=200N,WB=90N.
Find the minimum value of force ' P ' required to

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