In Fig. 6-29, a force P acts on a block weighing 45 N. The block is initially
Question:
In Fig. 6-29, a force P acts on a block weighing 45 N. The block is initially at rest on a plane inclined at angle θ = 15oto the horizontal. The positive direction of the x axis is up the plane. The coefficients of friction between block and plane are ?s= 0.50 and ?k= 0.34.In unit vector notation, what is the frictional force on the block from the plane when P is?
(a) (?? 5.0 N)i,
(b) (?? 8.0 N)i, and
(c) (?? 15 N)i?
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Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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