A man is trying to pull a 576 - N crate C, initially at rest on the road, with a rope attached at point A using a force of P = 240N. The coeffici and sliding friction between the road and the crate are μs = 0.5 and μ = 0.4, respectively. The crate is 1.2 - m high and 0.8 - m wide. A. C. 3 4. W 4 A 2. Which of the following sets of equilibrium equations are correct for crate C? 0.8P - f = 0 0.8P - f = 0 N-0.6P-W = 0 N + 0.6P-W = 0 Nx+ Ph-bW = 0 Nx+0.8Ph-0.5bW-0.3Pb=0 173.0 N 192.0 N 198.0 N 216 N B b Ch 0.8P - f = 0 N-0.6P-W = 0 Nx0.8Ph-0.5bW = 0 0.8P - f = 0 N+0.6P - W=0 Nx+ 0.8Ph-0.5bW = 0 3. Which of the following is the limiting value of the frictional force between crate C and the road? B. D. llowing best approximates the location of the point of the application of the normal force along the bottom surface of crate
A man is trying to pull a 576 - N crate C, initially at rest on the road, with a rope attached at point A using a force of P = 240N. The coeffici and sliding friction between the road and the crate are μs = 0.5 and μ = 0.4, respectively. The crate is 1.2 - m high and 0.8 - m wide. A. C. 3 4. W 4 A 2. Which of the following sets of equilibrium equations are correct for crate C? 0.8P - f = 0 0.8P - f = 0 N-0.6P-W = 0 N + 0.6P-W = 0 Nx+ Ph-bW = 0 Nx+0.8Ph-0.5bW-0.3Pb=0 173.0 N 192.0 N 198.0 N 216 N B b Ch 0.8P - f = 0 N-0.6P-W = 0 Nx0.8Ph-0.5bW = 0 0.8P - f = 0 N+0.6P - W=0 Nx+ 0.8Ph-0.5bW = 0 3. Which of the following is the limiting value of the frictional force between crate C and the road? B. D. llowing best approximates the location of the point of the application of the normal force along the bottom surface of crate
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Transcribed Image Text:A man is trying to pull a 576 - N crate C, initially at rest on the road, with a rope attached at point A using a force of P = 240N. The coefficie
and sliding friction between the road and the crate are μs = 0.5 and μk = 0.4, respectively. The crate is 1.2 m high and 0.8 - m wide.
A.
4. W
4
2. Which of the following sets of equilibrium equations are correct for crate C?
0.8P - f = 0
0.8P - f = 0
N-0.6P-W = 0
N + 0.6P-W = 0
Nx+Ph-bW = 0
Nx+0.8Ph-0.5bW-0.3Pb = 0
A
173.0 N
192.0 N
198.0 N
216 N
B
◆
C
0.8P - f = 0
N-0.6P-W = 0
Nx0.8Ph-0.5bW = 0
0.8P - f = 0
N + 0.6P - W=0
Nx+ 0.8Ph-0.5bW = 0
3. Which of the following is the limiting value of the frictional force between crate C and the road?
B.
D.
llowing best approximates the location of the point of the application of the normal force along the bottom surface of crate C
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