Body A in the figure weighs 96 N, and body B weighs 16 N. The coefficients of friction between A and the incline are us =0.59 and Hk = D.25. Angle 0 is 28°. Let the positive direction of an x axis be up the incline. What is the acceleration of A if A is initially (a) at rest, (b) moving up the incline, and (c) moving down the incline? Frictionless, massless pulley (a) Number i Units (b) Number -4.39 Units m/s^2 (c) Number Units m/s^2
Body A in the figure weighs 96 N, and body B weighs 16 N. The coefficients of friction between A and the incline are us =0.59 and Hk = D.25. Angle 0 is 28°. Let the positive direction of an x axis be up the incline. What is the acceleration of A if A is initially (a) at rest, (b) moving up the incline, and (c) moving down the incline? Frictionless, massless pulley (a) Number i Units (b) Number -4.39 Units m/s^2 (c) Number Units m/s^2
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Transcribed Image Text:Body A in the figure weighs 96 N, and body B weighs 16 N. The coefficients of friction between A and the incline are u, = 0.59 and uk =
0.25. Angle 0 is 28°. Let the
positive direction of an x axis be up the incline. What is the acceleration of A if A is initially (a) at rest, (b) moving up the incline, and (c)
moving down the incline?
Frictionless,
massless pulley
(a) Number
i
Units
(b) Number
-4.39
Units
m/s^2
(c) Number
i
Units
m/s^2
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