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 u = 0.28 and uk = 0.23, respectively. The friction force is positive if up the incline, negative if down the incline. 52 kg 26° H,= 0.28 HE = 0.23 17 Answers: (a) F = (b) F= i N (c) F = i (d) P= i N z z
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 u = 0.28 and uk = 0.23, respectively. The friction force is positive if up the incline, negative if down the incline. 52 kg 26° H,= 0.28 HE = 0.23 17 Answers: (a) F = (b) F= i N (c) F = i (d) P= i N z z
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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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 μs = 0.28 and μk = 0.23, respectively. The friction force is positive if up the incline, negative if down the incline.
Transcribed Image Text: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 u = 0.28 and u = 0.23, respectively. The friction force is
positive if up the incline, negative if down the incline.
52 kg
26°
H,= 0.28
H = 0.23
17
Answers:
(a) F=
i
(b) F=
i
N
(c) F=
i
N
(d) P=
i
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