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Physics
The dimensional formula of “Moment of force” is
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Q. The dimensional formula of “Moment of force” is
A
$\left[M^{1}L^{1}T^{-2}\right]$
52%
B
$\left[M^{1}L^{2}T^{-1}\right]$
9%
C
$\left[M^{1}L^{2}T^{-2}\right]$
30%
D
$\left[M^{1}L^{1}T^{-1}\right]$
9%
Solution:
Moment of force $= \vec{r}\times\vec{F}$
$= \left[L\right]\times\left[MLT^{-2}\right]$
$ = \left[M^{1}L^{2}T^{-2}\right]$