2. The coefficient of static friction between all contacting surfaces is μ = 0.4. The weight of each box is the same, W, and the center of gravity of each box is at its geometric center. a) Determine the minimum horizontal force P needed for the top box to be on the verge of sliding across the top of the lower box (be sure to provide a free body diagram). Is this situation physically possible? b) Determine the minimum horizontal force P needed for both boxes to tip together (be sure to provide a free body diagram). Is this situation physically possible? c) Based on your solutions to parts 'a' and 'b' (no new analysis required), if the magnitude of P is slowly increased from a value of zero, which of these two situations will be realized? 1 m -0.5 m- لا 1.5 m

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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2. The coefficient of static friction between all contacting surfaces is μ = 0.4. The weight of
each box is the same, W, and the center of gravity of each box is at its geometric center.
a) Determine the minimum horizontal force P needed for the top box to be on the verge of
sliding across the top of the lower box (be sure to provide a free body diagram). Is this
situation physically possible?
b) Determine the minimum horizontal force P needed for both boxes to tip together (be sure
to provide a free body diagram). Is this situation physically possible?
c) Based on your solutions to parts 'a' and 'b' (no new analysis required), if the magnitude
of P is slowly increased from a value of zero, which of these two situations will be
realized?
1 m
1 m
0.5 m-
[
1.5 m
Transcribed Image Text:2. The coefficient of static friction between all contacting surfaces is μ = 0.4. The weight of each box is the same, W, and the center of gravity of each box is at its geometric center. a) Determine the minimum horizontal force P needed for the top box to be on the verge of sliding across the top of the lower box (be sure to provide a free body diagram). Is this situation physically possible? b) Determine the minimum horizontal force P needed for both boxes to tip together (be sure to provide a free body diagram). Is this situation physically possible? c) Based on your solutions to parts 'a' and 'b' (no new analysis required), if the magnitude of P is slowly increased from a value of zero, which of these two situations will be realized? 1 m 1 m 0.5 m- [ 1.5 m
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