Write the relationship between the SI and CGS unit of moment of force.

A uniform metre scale is in equilibrium as shown in the diagram :

Calculate the weight of the metre scale.
Which of the following options is correct to keep the ruler in equilibrium when $40 \mathrm{gf}$ weight is shifted to $0 \mathrm{cm}$ mark?
$F$ is shifted towards $0 \mathrm{cm}$ or $F$ is shifted towards $100 \mathrm{cm}$.

 Compare the magnitudes of centripetal and centrifugal force.