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The force P is applied to the 37-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 = 111 N, and (c) P = 179 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 = 0.19 and μk = 0.16, respectively. The friction force is positive if up the incline, negative if down the incline. Answers: 37 kg 18° 12° H=0.19 H=0.16 (a) F = (b) F= i (c) F= (d) P = i i N N i N N

The force P is applied to the 37-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 = 111 N, and (c) P = 179 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 = 0.19 and μk = 0.16, respectively. The friction force is positive if up the incline, negative if down the incline. Answers: 37 kg 18° 12° H=0.19 H=0.16 (a) F = (b) F= i (c) F= (d) P = i i N N i N N

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The force P is applied to the 37-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 = 111 N, and (c) P = 179 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 = 0.19 and μk = 0.16, respectively. The friction force is positive if up the incline, negative if down the incline. Answers: 37 kg 18° 12° H=0.19 H=0.16 (a) F = (b) F= i (c) F= (d) P = i i N N i N N
Transcribed Image Text:The force P is applied to the 37-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 = 111 N, and (c) P = 179 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 = 0.19 and μk = 0.16, respectively. The friction force is positive if up the incline, negative if down the incline. Answers: 37 kg 18° 12° H=0.19 H=0.16 (a) F = (b) F= i (c) F= (d) P = i i N N i N N
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