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.

If you have a car with a manual transmission, do you rest your hand on the gear lever while driving? According to Matthias Strixner, an expert with German technical inspection agency Tüv Süd ...

Mechanical parts are small and custom-fitted. Springs, gears, and levers trigger doors and traps. More from News A triangle pointing right which indicates this type of media can be played.

The light switch on the wall, for example, and the stapler on your desk. You use levers when you shift gears on a bike and when you hit the brakes. A doorknob is a type of lever. And then there's ...

As one gear turns, the other gear must also turn. Where the gears meet, the teeth must both move in the same direction. In the diagram, the teeth of both gears move upwards. This means that the ...