Levers are literally all around us. You body uses them to move, pick up a pen to sign your name and you’ll use mechanical advantage to make that ballpoint roll, and that can of soda doesn’t open ...

Levers can help to lift heavy loads, as well as make things go up and down. Levers can be found in many everyday items. For example, a door handle, a pair of scissors, a can opener and even a ...

A lever is a simple mechanism that uses a bar to pivot around a fixed point called a fulcrum. Levers can be joined together to form linkages. Simple linkages can be used to change the direction of ...