Wb = m*g = 7.6kg * 9.8N/kg = 74.48 N. =
Wt. of block.
Fs = 8 N ?
Fs = us*Fv = 8 N.
us*74.48 = 6
us = 0.081
a wooding block of mass 7.6kg rest on a rough horizontal surface if the surface is 8N calculate the coefficient of friction
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