problem11_75

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

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11.75: a) N 424 . 0 N 424 . 0 30 cos 2 0 ) cos 2 ( at axis , 0 30 so 2 sin N 47 . 1 2 = = = ° = = - = τ ° = = = = C A C C B F F mg F wR θ R F P θ R R θ w F b) Consider the forces on the bottom marble. The horizontal forces must sum to zero, so N 848 . 0 30 sin sin = ° = = A A F n θ n F Could use instead that the vertical forces sum to zero
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This document was uploaded on 02/05/2008.

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