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Part (a). P = 0. What is the maximum friction force Fmax that is available for this situation?

Fmax = __________ N

The 57-kg crate is stationary when the force P is applied. Determine the resulting acceleration of the crate if (a) P = 0, (b) P = 257 N,
and (c) P = 500 N. The acceleration is positive if up the slope, negative if down the slope.
23°
57 kg,
μ = 0.31
H₁ = 0.24
Transcribed Image Text:The 57-kg crate is stationary when the force P is applied. Determine the resulting acceleration of the crate if (a) P = 0, (b) P = 257 N, and (c) P = 500 N. The acceleration is positive if up the slope, negative if down the slope. 23° 57 kg, μ = 0.31 H₁ = 0.24
Part (a). We need to decide if the block moves. The easy way to make this decision is to assume that the block does not move and
then to test this assumption. If P = 0, what friction force F is needed to keep the block from moving?
P
F
Answer: F=
mg
N
218.485125117347
N
Transcribed Image Text:Part (a). We need to decide if the block moves. The easy way to make this decision is to assume that the block does not move and then to test this assumption. If P = 0, what friction force F is needed to keep the block from moving? P F Answer: F= mg N 218.485125117347 N
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