Two blocks slide down an incline as shown. The coefficient of friction from bloc

Question

Two blocks slide down an incline as shown. The coefficient of friction from block A is larger than for block B so they slide together. Find the acceleration. Show that this result makes sense in the following limits theta = 0 degree theta = 90 degree mu A = mu B = 0 Consider the contraption shown in the figure. The coefficient of kinetic friction between the block and the ground is mu g. What is the acceleration of block B. What force does the pulley exert on the wall? For the contraption below, find the magnitudes of the accelerations for both blocks assuming everything is frictionless. Consider the contraption below. Let the coefficient of static friction between the block and sled be mu s and the coefficient of kinetic friction between the block and the sled be mu k. There is no friction between the sled and the ground. What is the maximum force one can pull on the rope such that the block does not slide on the sled? What is the acceleration of the system given the force in part (a)? What is the non-zero force applied to the rope such that the block has zero acceleration? What is the acceleration of the sled given the force in part (c)?

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sorry i think only one question is to be answered please post which question to answer

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