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 .