A light semi cylindrical gate of radius R is pivoted aat its mid point O, of radius R as shown
Channel: Doubtnut
Date: 30/08/2020

A light semi cylindrical gate of radius R is pivoted aat its mid point O, of radius R as shown in the figure holding liquid of density `rho`. The force F required to prevent the rotation of the gate is equal to  img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/MPP_PHY_C10_E01_081_Q01.png" width="80%"