Body a weighs 104 n and body b weighs 30 n the coefficients, Ask an Expert

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Body A weighs 104 N, and body B weighs 30 N. The coefficients of friction between A and the incline are ?s = 0.56 and ?k = 0.25. Angle ? is 40°. Let the positive direction of an x axis be up the incline.

(a) Find the acceleration of A if A is initially at rest.

(b) Find the acceleration of A if A is moving up the incline.

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