Buoyancy: a Circular Cylinder of Height 1

Multiple Choice

Buoyancy: A circular cylinder of height 1.20 m having faces of diameter 0.620 m is immersed in water of density 1.00 × 10³ kg/m³ with its axis vertical so that its faces are parallel to the surface of the water. The upper face is 2.50 m below the surface of the water. The net force on this cylinder is observed to be 1120 N downward. Atmospheric pressure is 1.01 × 10⁵ Pa. What net force does the water exert on the lower face of the cylinder?

A) 7.40 × 10³ N
B) 1.09 × 10⁴ N
C) 3.79 × 10⁴ N
D) 4.14 × 10⁴ N
E) 1.37 × 10⁵ N