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A block with a mass of m is resting on a 20 degree slope. The block has coefficients of friction 0.81 and 0.55 with the surface. It is connected via a massless string over a massless, frictionless pulley to a hanging block of mass 2.0 kg .
A) What is the minimum mass that will stick and not slip?
B) If this minimum mass is nudged ever so slightly, it will start being pulled up the incline. What acceleration will it have?
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what is the magnitude of the net force acting on ball.
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