The force P is applied to the 60-kg block when it is at rest. Determine the magnitude and direction of the friction force exerted by the surface on the block if (a) P=0, (b) P = 177 N, and (c) P=261 N. (d) What value of P is required to initiate motion up the incline? The static and kinetic coefficients of friction between the block and the incline are μs = 0.18 and μk = 0.12, respectively. The friction force is positive if up the incline, negative if down the incline. Answers: 60 kg 15° 11° ரு P, 0.18 P=0.12 (a) F = 69.3 (b) F= i -63.8 P N N

Practical Management Science
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ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter10: Introduction To Simulation Modeling
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The force P is applied to the 60-kg block when it is at rest. Determine the magnitude and direction of the friction force exerted by the
surface on the block if (a) P=0, (b) P = 177 N, and (c) P=261 N. (d) What value of P is required to initiate motion up the incline? The
static and kinetic coefficients of friction between the block and the incline are μs = 0.18 and μk = 0.12, respectively. The friction force is
positive if up the incline, negative if down the incline.
Answers:
60 kg
15°
11°
ரு
P, 0.18
P=0.12
(a) F =
69.3
(b) F=
i
-63.8
P
N
N
Transcribed Image Text:The force P is applied to the 60-kg block when it is at rest. Determine the magnitude and direction of the friction force exerted by the surface on the block if (a) P=0, (b) P = 177 N, and (c) P=261 N. (d) What value of P is required to initiate motion up the incline? The static and kinetic coefficients of friction between the block and the incline are μs = 0.18 and μk = 0.12, respectively. The friction force is positive if up the incline, negative if down the incline. Answers: 60 kg 15° 11° ரு P, 0.18 P=0.12 (a) F = 69.3 (b) F= i -63.8 P N N
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