Physics, 02.11.2019 06:31 aaronw3743
A21 n block rests on a horizontal surface. the coefficients of static and kinetic friction between the surface and the block are μs = 0.80 and μk = 0.60. a horizontal string is attached to the block and a constant tension t is maintained in the string. what is the force of friction acting on the block for each of the following values of t?
a) t=15n
b) t=35n
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