A 20-kg equipment is initially at rest on an inclined surface with a 15° angle with the horizontal. A force 75N sets the crate in motion. After moving, a 60N force is required to keep it moving with a constant speed. What are the static and kinetic coefficients of friction between the crate and the surface?
A 20-kg equipment is initially at rest on an inclined surface with a 15° angle with the horizontal. A force 75N sets the crate in motion. After moving, a 60N force is required to keep it moving with a constant speed. What are the static and kinetic coefficients of friction between the crate and the surface?
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter5: Displacement And Force In Two Dimensions
Section: Chapter Questions
Problem 69A
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A 20-kg equipment is initially at rest on an inclined surface with a 15° angle with the horizontal.
A force 75N sets the crate in motion. After moving, a 60N force is required to keep it moving with
a constant speed. What are the static and kinetic coefficients of friction between the crate and
the surface?
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