Which of the following correctly expresses the relationship between the angle of…

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics

Problem

Which of the following correctly expresses the relationship between the angle of friction

\phi

and the coefficient of static friction

\mu_s

for two dry surfaces in contact? (a)

\tan\phi = \dfrac{1}{\mu_s}

(b)

\phi = \mu_s

(c)

\tan\phi = \mu_s

(d)

\sin\phi = \mu_s