The force P is applied to the 52-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 = 245 N, and (c) P = 361 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 = 0.28 and μk = 0.23, respectively. The friction force is positive if up the incline, negative if down the incline. The force P is applied to the 52-kg block when it is at rest. Determine the magnitude and direction of the friction force exerted by thesurface on the block if (a) P = 0, (b) P = 245 N, and (c) P = 361 N. (d) What value of P is required to initiate motion up the incline? Thestatic and kinetic coefficients of friction between the block and the incline are u = 0.28 and u = 0.23, respectively. The friction force ispositive if up the incline, negative if down the incline.52 kg26°H,= 0.28H = 0.2317Answers:(a) F=i(b) F=iN(c) F=iN(d) P=i

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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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The force P is applied to the 52-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 = 245 N, and (c) P = 361 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_s = 0.28 and μ_k = 0.23, respectively. The friction force is positive if up the incline, negative if down the incline.

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