Problem 4. A larger box (M = 8 kg) is connected to a smaller box of mass m via an ideal pulley system, as shown below. The larger box (M) is sitting at rest on a rough surface, with coefficients of friction μs = 0.6 and μk = 0.25 between the larger box and the surface. M με, με m Part (a) Draw separate, qualitatively correct free body diagrams for each of the boxes. Part (b) Use Newton's Laws to determine the minimum value for the mass of the smaller box (m) necessary for the larger box (M) to begin accelerating.

Elements Of Electromagnetics
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Problem 4.
A larger box (M = 8 kg) is connected to a smaller box of mass m via
an ideal pulley system, as shown below. The larger box (M) is sitting at rest on a rough surface,
with coefficients of friction μs = 0.6 and μk = 0.25 between the larger box and the surface.
M
με, με
m
Part (a) Draw separate, qualitatively correct free body diagrams for each of the
boxes.
Part (b) Use Newton's Laws to determine the minimum value for the mass of the smaller
box (m) necessary for the larger box (M) to begin accelerating.
Transcribed Image Text:Problem 4. A larger box (M = 8 kg) is connected to a smaller box of mass m via an ideal pulley system, as shown below. The larger box (M) is sitting at rest on a rough surface, with coefficients of friction μs = 0.6 and μk = 0.25 between the larger box and the surface. M με, με m Part (a) Draw separate, qualitatively correct free body diagrams for each of the boxes. Part (b) Use Newton's Laws to determine the minimum value for the mass of the smaller box (m) necessary for the larger box (M) to begin accelerating.
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