A fluid of density ρ flows at static pressure p and velocity V through a pipe of crosssectional area A. If the pipe turns through 90◦, find the force exerted on the fluid by the pipe wall. Assume that...

A fluid of density ρ flows at static pressure p and velocity V through a pipe of crosssectional area A. If the pipe turns through 90◦, find the force exerted on the fluid by the pipe wall. Assume that the flow is one-dimensional and friction free, and that gravitational effects can be ignored.