Determine the angle at which P should act on the block so that the magnitude of

Question:

Determine the angle φ at which P should act on the block so that the magnitude of P is as small as possible to begin pulling the block up the incline. What is the corresponding value of P? The block as weight W and the slope α is known.


Given:

M = 6 kg

μs = 0.5

θ1 = 30 deg

θ2 = 30 deg



P.


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