Recent content by Chris@ETI

Thank you for you assistance on this. I also apologize for my delayed reply, I was on vacation.

Homework Statement I have a circular vacuum cup. The cup has a diameter of 4.5 inches. I need to calculate the amount of pressure, in inches of mercury (Hg), that the vacuum created by the cup would have to be in order to generate 120 pounds of force on a flat object. Homework Equations...