224 5-8 5-9 The 20-kg block in Fig. P5-8 rests on a 30° 0.25, determine the incline. Knowing that magnitude and direction of the smallest force P required to cause the block to start sliding up the incline. = In Problem 5-8, determine the magnitude and direction of the smallest force P required to prevent the block from sliding down the incline. N CH. 5/FRICTION 30⁰ M021-9 FIGURE P5-8

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 76PQ: Jamal and Dayo are lifting a large chest, weighing 207 lb, by using the two rope handles attached to...
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professor is asking for a force triangle for 5-8

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224
5-8
5-9
Ms
The 20-kg block in Fig. P5-8 rests on a 30°
0.25, determine the
incline. Knowing that
magnitude and direction of the smallest force
P required to cause the block to start sliding
up the incline.
=
In Problem 5-8, determine the magnitude and
direction of the smallest force P required to
prevent the block from sliding down the
incline. N
CH. 5/FRICTION
30⁰
M001
FIGURE P5-8
Transcribed Image Text:224 5-8 5-9 Ms The 20-kg block in Fig. P5-8 rests on a 30° 0.25, determine the incline. Knowing that magnitude and direction of the smallest force P required to cause the block to start sliding up the incline. = In Problem 5-8, determine the magnitude and direction of the smallest force P required to prevent the block from sliding down the incline. N CH. 5/FRICTION 30⁰ M001 FIGURE P5-8
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