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03-12-2008, 08:45 PM
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| Physics!! Plzz Help Me!!?
A 70 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 21° above the horizontal. (a) If the coefficient of static friction is 0.52, what minimum force magnitude is required from the rope to start the crate moving? (b) If ?k = 0.36, what is the magnitude of the initial acceleration (m/s^2) of the crate?
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