College Physics
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ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A 1.2 kg block is moving down an inclined plane with constant velocity. The inclined plane makes an angle of 30 degrees with the horizontal.
a. Find the normal force and the
b. What is the coefficient of friction between the block and the surface?
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- A man is exerting a constant 150 N horizontal force to push a 20 kg wooden crate upwards along a rough 30-degree ramp. The coefficients of non-sliding (static) and sliding (kinetic) friction are 0.2 and 0.1, respectively. The push is sufficient to move the crate up the ramp. a. Which of the following best approximates the amount of frictional force between the crate and the ramp? b. Which of the following best approximates the magnitude of the acceleration (in m/s2 ) of crate?arrow_forwardA block slides on a surface when two forces act on it as shown in the figure. The two forces acting on it each have magnitude F = 50.0 N and M = 20.0 kg, and coefficient of kinetic friction is 0.20. a. Find the net force in the vertical direction b. Find the net force in the horizontal direction c. What is the magnitude of the resulting acceleration of the block? 30° Marrow_forwardI need help on thatarrow_forward
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