University Physics with Modern Physics with Mastering Physics (11th Edition)

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5.75: a) The product 2 s s m 94 . 2 = g μ is greater than the magnitude of the acceleration of the truck, so static friction can supply sufficient force to keep the case stationary relative to the truck; the crate accelerates north at 2 s m 20 . 2 , due to the friction force of
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Unformatted text preview: N. . 66 = ma b) In this situation, the static friction force is insufficient to maintain the case at rest relative to the truck, and so the friction force is the kinetic friction force, N. 59 k k = = mg n...
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