Two pistons push down on the fluid filling two cylinders connected by a narrow hose,as shown in the figure.The area A1 is 1 square inch,and the area A2 is 10 square inches.A force of 4 pounds is exerted downward on piston 1,as shown. 
-The force F2 in pounds needed to keep piston 2 in place is
Definitions:
Hippocampus
A region of the brain that plays a major role in memory formation and spatial navigation.
Macular Degeneration
A medical condition which results in blurred or no vision in the center of the visual field due to aging, leading to damage to the retina and is a major cause of blindness and visual impairments in older adults.
Blindness
The condition of lacking visual perception due to physiological or neurological factors.
Colorblindness
A visual impairment where an individual has difficulty distinguishing between certain colors, typically red and green, due to the absence or malfunctions of color-detecting cells in the eye.
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