Two Pistons Push Down on the Fluid Filling Two Cylinders

question 109

Multiple Choice

Two pistons push down on the fluid filling two cylinders connected by a narrow hose, as shown in the figure. The area A ₁ is 1 square inch, and the area A ₂ is 10 square inches. A force of 4 pounds is exerted downward on piston 1, as shown. The force F ₂ in pounds needed to keep piston 2 in place is

• A) 0.25.
• B) 0.4.
• C) 4.
• D) 10.
• E) 40.

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