The force P is applied to the 53-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 = 298 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 - 0.22 and Uk = 0.18, respectively. The friction force is positive if up the incline, negative if down the incline. Answers: (a) F= 53 kg 14° (d) P- I i (b) F- i (c) F= i i 19⁰ H₂= 0.22 = 0.18 N N N N

The force P is applied to the 53-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 = 298 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 - 0.22 and Uk = 0.18, respectively. The friction force is positive if up the incline, negative if down the incline. Answers: (a) F= 53 kg 14° (d) P- I i (b) F- i (c) F= i i 19⁰ H₂= 0.22 = 0.18 N N N N

Elements Of Electromagnetics

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Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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The force P is applied to the 53-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 = 298 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 = 0.22 and Uk = 0.18, respectively.
The friction force is positive if up the incline, negative if down the incline.
Answers:
(a) F=
(b) F=
(c) F=
53 kg
14°
i
i
(d) P= i
19°
H, = 0.22
= 0.18
N
N
N
N

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