A HYDRAULIC LIFT OFFICE CHAIR HAS ITS SEAT ATTACHED TO A PISTON WITH AN AREA OF 11.2CM2. THE CHAIR IS RAISED BY EXERTING FORCE ON ANOTHER PISTON, WITH AN AREA OF 4.12CM2. IF A PERSON SITTING ON THE CHAIR EXERTS A DOWNWARD FORCE OF 219 N, WHAT FORCE NEEDS TO BE EXERTED ON A THE SMALL PISTON TO LIFT THE SEAT?

Question

A HYDRAULIC LIFT OFFICE CHAIR HAS ITS SEAT ATTACHED TO A PISTON WITH AN AREA OF 11.2CM2.  THE CHAIR IS RAISED BY EXERTING FORCE ON ANOTHER PISTON, WITH AN AREA OF 4.12CM2.  IF A PERSON SITTING ON THE CHAIR EXERTS A DOWNWARD FORCE OF 219 N, WHAT FORCE NEEDS TO BE EXERTED ON A THE SMALL PISTON TO LIFT THE SEAT?

Writeacher · Answer

Please don't type in all-caps ... it's very hard to read. And please have patience while waiting for a tutor who understands this stuff!!

Steve · Answer

219 * (4.12/11.2)