Question
Question: A cubical vessel open from top of side L is filled with a liquid of density r then the torque of hyd...
A cubical vessel open from top of side L is filled with a liquid of density r then the torque of hydrostatic force on a side wall about an axis passing through one of bottom edges is-
A

B

C

D

Answer

Explanation
Solution
Force by hydrostatic pressure
= Pav × Area =
× L2 = 
and centre of pressure is at height
.
