Question

Water stands upto height $h$ behind the dam as shown in the figure. The front view of the dam gate is also shown in the adjoining figure. Density of water is $\rho$ and acceleration due to gravity is $g$. If atmospheric pressure force is also considered, then the point of application of total force acting on the dam due to water above $O$ is

• A. $\frac{h}{4}$
• B. $\frac{h}{3}$
• C. $h$
• D. $\frac{h}{2}$

Answer 1

Answer: (B)

$\frac{h}{3}$

Answer 2