# Physics equations/11-Fluid statics/Q:buoyantForce

## pe11BuoyantForce Version A

A cylinder with a radius of 0.22 m and a length of 2.2 m is held so that the top circular face is 4.8 m below the water. The mass of the block is 826.0 kg.The mass density of water is 1000kg/m^3.

1 What is the pressure at the top face of the cylinder?

 3.20E4 Pa 3.88E4 Pa 4.70E4 Pa 5.70E4 Pa 6.90E4 Pa

2 Referring to the previous question, what is the buoyant force?

 2.71E3 N 3.28E3 N 3.97E3 N 4.81E3 N 5.83E3 N

3 Referring to the previous question, what is the force exerted by the water at the top surface?

 7.15E3 N 9.00E3 N 1.13E4 N 1.43E4 N 1.80E4 N

4 Referring to the previous question,what is the force exerted by the fluid on the bottom of the cylinder?

 1.04E4 Pa 1.31E4 Pa 1.65E4 Pa 2.08E4 Pa 2.62E4 Pa

## pe11BuoyantForce Version B

A cylinder with a radius of 0.25 m and a length of 2.5 m is held so that the

top circular face is 4.2 m below the water. The mass of the block is 853.0 kg.

The mass density of water is 1000kg/m^3.

1 What is the pressure at the top face of the cylinder?

 3.40E4 Pa 4.12E4 Pa 4.99E4 Pa 6.04E4 Pa 7.32E4 Pa

2 Referring to the previous question, what is the buoyant force?

 2.71E3 N 3.28E3 N 3.97E3 N 4.81E3 N 5.83E3 N

3 Referring to the previous question, what is the force exerted by the water at the top surface?

 8.08E3 N 1.02E4 N 1.28E4 N 1.61E4 N 2.03E4 N

4 Referring to the previous question,what is the force exerted by the fluid on the bottom of the cylinder?

 1.02E4 Pa 1.29E4 Pa 1.62E4 Pa 2.04E4 Pa 2.57E4 Pa