Vector Mechanics for Engineers: Dynamics
11th Edition
ISBN: 9780077687342
Author: Ferdinand P. Beer, E. Russell Johnston Jr., Phillip J. Cornwell, Brian Self
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 13.1, Problem 13.CQ1P
Block A is traveling with a speed v0 on a smooth surface when the surface suddenly becomes rough with a coefficient of friction of µcausing the block to stop after a distance d. If block A were traveling twice as fast, that is, at a speed 2v0 , how far will it travel on the rough surface before stopping?
a.
b. d
c.
d. 2d
e. 4d
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30.A block is started from rest at the top of an inclined plane 6 meters long which makes45 degrees with the horizontal. The coefficient of friction between the block and theplane is 0.20. At the foot of the plane, the block continues to move along a horizontalsurface. If the coefficient of friction between the block and the horizontal surface is0.15, how far does the block go along the horizontal surface?
The coefficint of friction is
A 3.0 kilogram block is sliding down a 25° incline at a
constant speed.
O 0.43
O 0.44
O 0.38
O 0.33
O 0.47
if
|
Dry friction:
O Produces a force normal to the surfaces of contact.
Occurs only when two objects are moving past each other.
Occurs when objects are in a condition of sliding or a tendency to slide.
O Occurs only when two objects are in a condition of a tendency to slide.
Chapter 13 Solutions
Vector Mechanics for Engineers: Dynamics
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