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Physics 15 Online
OpenStudy (anonymous):

A 1,020-N crate is being pushed across a level floor at a constant speed by a force of 200 N at an angle of 20.0° below the horizontal, as shown in the figure (a) below. (a) What is the coefficient of kinetic friction between the crate and the floor? μk = . Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. (b) If the 200-N force is instead pulling the block at an angle of 20.0° above the horizontal, as shown in the figure (b), what will be the acceleration of the crate? Assume that the coefficient of

OpenStudy (anonymous):

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