A rectangle-shaped open-to-sky tank of water has a length of 2 m and a width of 1 m. If the atmospheric pressure is assumed to be 100 kPa and thickness of the tank walls is assumed to be negligible, calculate the force exerted by the atmosphere on the surface of water.

A rectangle-shaped open-to-sky tank of water has a length of 2 m and a

1.	A rectangle-shaped open-to-sky tank of water has a length of 2 m and a width of 1 m. If the atmospheric pressure is assumed to be 100 kPa and thickness of the tank walls is assumed to be negligible, calculate the force exerted by the atmosphere on the surface of water.
A.	50 kN
B.	20 kN
C.	200 kN
D.	100 kN
Answer» D. 100 kN