Determine whether the block shown is in equilibrium and find the magnitude and d

Question

Determine whether the block shown is in equilibrium and find the magnitude and direction of the friction force when theta = 30degree and P = 150 N. Determine whether the block shown is in equilibrium and find the magnitude and direction of the friction force when P = 100 lb. Determine whether the block shown is in equilibrium and find the magnitude and direction of the friction force when P = 60 lb. Determine the smallest value of p required to (a) start the block up the incline, (b) keep it moving up, (c) prevent it from moving down. Knowing that the coefficient of friction between the 25-kg block and the incline is mu z. = 0.25. determine (a) the smallest value of P required to start the block moving up the incline. (b) the corresponding value of beta. The 80-lb block is attached to link AB and rests on a moving belt. Knowing that mu z = 0.25 and mu k = 0.20, determine the magnitude of the horizontal force P that should be applied to the belt to maintain its motion (a) to the right, (b) to the left.

Explanation / Answer

Determine whether the block shown is in equilibrium and find the magnitude and d

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