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The force Pis applied to the 63-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 = , (b) P = 187 N, and (c) P = 314 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 µg = 0.21 and u = 0.15, respectively. The friction force is positive if up the incline, negative if down the incline. 63 kg 19 H, = 0.21 H = 0.15 13 Answers: (a) F= i N (b) F= i N (c) F = i N

The force Pis applied to the 63-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 = , (b) P = 187 N, and (c) P = 314 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 µg = 0.21 and u = 0.15, respectively. The friction force is positive if up the incline, negative if down the incline. 63 kg 19 H, = 0.21 H = 0.15 13 Answers: (a) F= i N (b) F= i N (c) F = i 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 63-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 = 187 N, and (c) P = 314 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 u = 0.21 and uy = 0.15, respectively. The friction force is positive if up the incline, negative if down the incline. 63 kg 19 4, = 0.21 HE = 0.15 13 Answers: (a) F= i N (b) F = i N (c) F = i N (d) P= i
Transcribed Image Text:The force P is applied to the 63-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 = 187 N, and (c) P = 314 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 u = 0.21 and uy = 0.15, respectively. The friction force is positive if up the incline, negative if down the incline. 63 kg 19 4, = 0.21 HE = 0.15 13 Answers: (a) F= i N (b) F = i N (c) F = i N (d) P= i
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