Work Step by Step
The force on the small piston exerted by the 10-kg mass is its weight, 100 N. The pressure in the fluid is the same everywhere. To raise the mass, the strongman needs to push with a force 50 times greater than 100 N.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.