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Physics 14 Online
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

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?

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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