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


![5753|301x266](upload://apEimbYykc9Zs3idcNJhyqZkmQZ.png)
The force F2 needed to keep piston 2 in place is __________.


40 lbs

Physics & Space Science

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