ch12-p061 - 61. We denote the mass of the slab as m, its...

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6 82 4 2 3.5 10 N 15.2 (3.6 10 N/m )(6.4 10 m ) n × ≥= ×× Thus 16 bolts are needed. 61. We denote the mass of the slab as m , its density as ρ , and volume as VL T W = . The angle of inclination is 26 θ . (a) The component of the weight of the slab along the incline is 1 32 7 sin sin kg/m )(43m)(2.5m)(12m)(9.8m/s )sin 26 1.8 10 N. Fm g V g 3 == = (3.2×10 ° ≈ × (b) The static force of friction is 7 cos cos
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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