The force Pis 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 = 184 N, and (c) P = 245 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 us = 0.20 and µk = 0.16, respectively. The friction force is positive if up the incline, negative if down the incline. 52 kg 21 H,= 0.20 Hi = 0.16 13
The force Pis 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 = 184 N, and (c) P = 245 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 us = 0.20 and µk = 0.16, respectively. The friction force is positive if up the incline, negative if down the incline. 52 kg 21 H,= 0.20 Hi = 0.16 13
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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Transcribed Image Text:The force Pis 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 = 184 N, and (c) P = 245 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 ug = 0.20 and µ = 0.16, respectively. The friction force is
positive if up the incline, negative if down the incline.
52 kg
21°
H, = 0.20
H = 0.16
13
Answers:
(a) F=
i
N
(b) F =
i
N
(c) F=
i
N
(d) P=
i
N
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