The force P is applied to the 50-kg block whe. rest. Determine the magnitude and directio friction force exerted by the surface on the (a) P = 0, (b) P = 200 N, and (c) P = 250 N. (

International Edition---engineering Mechanics: Statics, 4th Edition
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ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
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Chapter7: Dry Friction
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6/3 The force P is applied to the 50-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 = 200 N, and (c) P = 250 N. (d) What
value of P is required to initiate motion up the
incline? The coefficients of static and kinetic friction
between the block and the incline are , - € 0.25 and
= 0.20, respectively.
50 kg
U
Problem 6/2
15°
20°
H₂ = 0.25
k=0.20
Problem 6/3
Transcribed Image Text:6/3 The force P is applied to the 50-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 = 200 N, and (c) P = 250 N. (d) What value of P is required to initiate motion up the incline? The coefficients of static and kinetic friction between the block and the incline are , - € 0.25 and = 0.20, respectively. 50 kg U Problem 6/2 15° 20° H₂ = 0.25 k=0.20 Problem 6/3
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