Hi, everyone, welcome.I'm Greg, and this is…Mwaksy, where are you?Hello? Hello! I'm here!I'm sorry I'm late, I was setting up a demo. Sure!So, I have a number of bricks here in this wheelbarrow ...

A simple lever could be a solid beam laid across a pivot. As effort is applied to rotate one end about the pivot. The opposite end is also rotated about the pivot in the same direction. This has ...