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Dynamics
Work against frictional forces
work against frictional forces
W
fr
=
J
x
mJ
J
kJ
MJ
GJ
TJ
frictional coefficient
μ =
force of normal pressure that press solid to support
F
n
=
N
x
μN
mN
N
kN
MN
dyn
gf
kgf
tf
displacement of solid
s =
m
x
Å
nm
μm
mm
cm
dm
m
km
n mile
in
ft
yd
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"
