finding Ms of
shoe
a
on
ramp,
a
·
E
=
G
sin
0 6359
=
.
G = 39 50
.
EF
-
=
↳
0
F + Fu
Fu
Fl
=
0
=
Fr
=
MycosO
0
Fs + Fi
[Fx
-
Fs
=
=
Asfr
=
0
Fir
=
mysing
Mscost= sing
Mscos sinG
Mscos(39 5) sin (39 5)
=
=
.
Ms 0
.
7716
.
=
0 6361
.
0 82
Mohs
=
.