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Physics
Physics
Problem
Which of the following expressions is dimensionally correct for force expressed only in terms of mass
m
m
m
, velocity
v
v
v
and radius
r
r
r
? a)
m
v
r
m v r
m
v
r
b)
m
v
2
r
\dfrac{m v^{2}}{r}
r
m
v
2
c)
m
v
r
\dfrac{m v}{r}
r
m
v
d)
m
v
2
r
2
\dfrac{m v^{2}}{r^{2}}
r
2
m
v
2
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