The force P is applied to the 56-kg block when it is at rest. Determine the magnitude and direction of the friction force exerted by t surface on the block if (a) P = 0, (b) P = 212 N, and (c) P = 365 N. (d) What value of Pis required to initiate motion up the incline? The static and kinetic coefficients of friction between the block and the incline are u, = 0.28 and Pk = 0.24, respectively. The friction ford positive if up the incline, negative if down the incline. 56 kg 20 H,= 0.28

The force P is applied to the 56-kg block when it is at rest. Determine the magnitude and direction of the friction force exerted by t surface on the block if (a) P = 0, (b) P = 212 N, and (c) P = 365 N. (d) What value of Pis required to initiate motion up the incline? The static and kinetic coefficients of friction between the block and the incline are u, = 0.28 and Pk = 0.24, respectively. The friction ford positive if up the incline, negative if down the incline. 56 kg 20 H,= 0.28

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter15: Slope Stability

Section: Chapter Questions

Problem 15.28P

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