problem05_36

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

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5.36: a) The normal force will be θ w cos and the component of the gravitational force along the ramp is θ w sin . The box begins to slip when , cos sin s θ w θ w μ or , 35 . 0 tan s = μ θ so slipping occurs at ° = = 3 . 19 ) 35 . 0 arctan( θ , or ° 19 to two figures. b) When moving, the friction force along the ramp is θ w cos k μ
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