If a force of 80 lbs parallel to the surface of a 20-degree inclined plane will push a 120 – lb block up the place at constant speed. What is the coefficient of sliding friction? A. 0.5 C. 0.4 B. 0.2 D. 0.3
If a force of 80 lbs parallel to the surface of a 20-degree inclined plane will push a 120 – lb block up the place at constant speed. What is the coefficient of sliding friction? A. 0.5 C. 0.4 B. 0.2 D. 0.3
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Question
If a force of 80 lbs parallel to the surface of a 20-degree inclined plane
will push a 120 – lb block up the place at constant speed. What is the
coefficient of sliding friction?
A. 0.5 C. 0.4
B. 0.2 D. 0.3
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