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OpenStudy (anonymous):
a 56-lb mass rests on a horizontal surface. the force needed to move it along the surface is 20lb determine the coefficient of friction
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OpenStudy (jfraser):
\[F_f = \mu * F_N\]
OpenStudy (anonymous):
@JFraser that is the only formula im going to use sir?
OpenStudy (jfraser):
what does it mean?
OpenStudy (anonymous):
@JFraser i mean can you be more specific sir? sorry for that..
OpenStudy (jfraser):
i'm asking you, what do the pieces of that equation mean?
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OpenStudy (anonymous):
@JFraser the Ff=μ∗FN ; the two F are force and the u is the coefficient friction?
OpenStudy (jfraser):
true, now solve for the coefficient
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