Question

When a pressure measuring device is immeresed in a liquid, a restoring force of 2 N is exerted by the spring. If the area of cross-section of the piston is 10 cm square, what pressure does the fluid exert on the piston

Answer 1

hope u understand the calculations yourself

Answer 2

Answer:

The pressure experienced in both cases would be same. So, as

P = F/A

F1/A1 = F2/A2

or the force on the second piston will be

F2 = (F1/A1).A2

by substituting appropriate values we get

F2 = (F1/A1).A2

F2 = (2 / 10x10-4). 100 x 10-4

F2 = 2 x 10 ^3

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