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The force P is applied to the 43-kg block whe surface on the block if (a) P = 0, (b) P = 198 N, static and kinetic coefficients of friction betw positive if up the incline, negative if down the 43 kg 17 Answers: 20° P₁= 0.27 P₁ = 0.22

The force P is applied to the 43-kg block whe surface on the block if (a) P = 0, (b) P = 198 N, static and kinetic coefficients of friction betw positive if up the incline, negative if down the 43 kg 17 Answers: 20° P₁= 0.27 P₁ = 0.22

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 43-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 = 198 N, and (c) P = 270 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 µ = 0.27 and Uk = 0.22, respectively. The friction force is positive if up the incline, negative if down the incline. Answers: (a) F= (b) F= (c) F= (d) P= 43 kg 17° i i i 20° H, = 0.27 H&= 0.22 N N N N
Transcribed Image Text:The force P is applied to the 43-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 = 198 N, and (c) P = 270 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 µ = 0.27 and Uk = 0.22, respectively. The friction force is positive if up the incline, negative if down the incline. Answers: (a) F= (b) F= (c) F= (d) P= 43 kg 17° i i i 20° H, = 0.27 H&= 0.22 N N N N
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