Figure shows a block of mass m resting on a 20∘∘ slope. The block has coefficients of friction μsμsmu_s = 0.78 and μkμkmu_k = 0.45 with the surface. It is connected via a massless string over a massless, frictionless pulley to a hanging block of mass 2.0 kgkg. What is the minimum mass mm that will stick and not slip? If this minimum mass is nudged ever so slightly, it will start being pulled up the incline. What acceleration will it have? Express your answer to three significant figures and include the appropriate units.
Figure shows a block of mass m resting on a 20∘∘ slope. The block has coefficients of friction μsμsmu_s = 0.78 and μkμkmu_k = 0.45 with the surface. It is connected via a massless string over a massless, frictionless pulley to a hanging block of mass 2.0 kgkg. What is the minimum mass mm that will stick and not slip? If this minimum mass is nudged ever so slightly, it will start being pulled up the incline. What acceleration will it have? Express your answer to three significant figures and include the appropriate units.
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Figure shows a block of mass m resting on a 20∘∘ slope. The block has coefficients of friction μsμsmu_s = 0.78 and μkμkmu_k = 0.45 with the surface. It is connected via a massless string over a massless, frictionless pulley to a hanging block of mass 2.0 kgkg.
What is the minimum mass mm that will stick and not slip?
If this minimum mass is nudged ever so slightly, it will start being pulled up the incline. What acceleration will it have?
Express your answer to three significant figures and include the appropriate units.
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Such type of problems can be solved easily using Newton's laws of motion and applying the conditions of equilibrium and solving the equation simultaneously to get the desired answer .
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