Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
Which of the following correctly expresses the relationship between the angle of friction
ϕ
\phi
ϕ
and the coefficient of static friction
μ
s
\mu_s
μ
s
for two dry surfaces in contact? a)
tan
ϕ
=
1
μ
s
\tan\phi = \dfrac{1}{\mu_s}
tan
ϕ
=
μ
s
1
b)
ϕ
=
μ
s
\phi = \mu_s
ϕ
=
μ
s
c)
tan
ϕ
=
μ
s
\tan\phi = \mu_s
tan
ϕ
=
μ
s
d)
sin
ϕ
=
μ
s
\sin\phi = \mu_s
sin
ϕ
=
μ
s
Browse the problem library