Specifically, weight machines have the following advantages: Safety: Weight machine levers move in a single plane, so there's little risk of losing control and getting injured (unless the machine ...

This video explores different methods that can be use to amplify a force, and focuses on three types of machine - levers, pulleys and gears. The amplification of a force is called mechanical advantage ...

Most weight machines have levers or pins to customize the seat height and range of motion, so don’t hesitate to consult the ...

Levers use mechanical advantage to ease lifting; they consist of a bar and a pivot (fulcrum) with effort, fulcrum, and load arranged differently in first, second, and third class levers ...

Save guides, add subjects and pick up where you left off with your BBC account. Mechanical advantage is the amount of help you get using a machine in comparison to doing something with just human ...