A right triangle is submerged vertically with one side at the surface in a liquid of density $\rho$. The triangle has a leg that is 9 m long located at the surface and a leg 9 m long straight down. Find the force exerted on the triangular surface, in terms of the density. Neglect the effect of the atmosphere above the liquid.
A) 243 $\rho$N
B) 364.5 $\rho$N
C) 121.5 $\rho$N
D) 91.12 $\rho$N
E) 20.25 $\rho$N

Question

A right triangle is submerged vertically with one side at the surface in a liquid of density $\rho$. The triangle has a leg that is 9 m long located at the surface and a leg 9 m long straight down. Find the force exerted on the triangular surface, in terms of the density. Neglect the effect of the atmosphere above the liquid. 
A) 243 $\rho$N 
B) 364.5 $\rho$N 
C) 121.5 $\rho$N 
D) 91.12 $\rho$N 
E) 20.25 $\rho$N

Quizplus · Accepted Answer

The Answer of A right triangle is submerged vertically with one side at the surface in a liquid of density $\rho$. The triangle has a leg that is 9 m long located at the surface and a leg 9 m long straight down. Find the force exerted on the triangular surface, in terms of the density. Neglect the effect of the atmosphere above the liquid. 
A) 243 $\rho$N 
B) 364.5 $\rho$N 
C) 121.5 $\rho$N 
D) 91.12 $\rho$N 
E) 20.25 $\rho$N

A Right Triangle Is Submerged Vertically with One Side at the Surface