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.
Correct Answer:

Verified
Correct Answer:
Verified
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