This video explores different methods that can be use to amplify a force, and focuses on three types of machine - levers, ...

The power input is equal to the power output, ignoring losses due to friction, wear, and bending of the lever beam. Power is force multiplied by velocity and they differ proportionately from each ...

The longer the lever, and the further the effort acts from the pivot, the greater the force on the load will be - it is easier to use a longer spanner when trying to turn a nut, and easiest to ...

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 ...