Water from a reservoir is raised in a vertical tube of internal diameter
D
= 30 cm under the influence of the pulling force
F
of a piston. Determine the force
(in N)
needed to raise the water to a height of
h
= 1.5 m above the free surface. Assume the piston to be weightless.
Extracted text: F h D Air Water Round your answer to 2 decimal places.