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Energy: Energy Conversion
Lever
Description
Lever
A lever is a simple machine that helps you move or lift objects using less effort. It consists of a rigid bar that rotates around a fixed point called the fulcrum. Levers work by changing the amount of force needed to move a load. You use levers every day—like when you use a see-saw, crowb...
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Transcript
Have you ever used a spoon to lift the lid of a jar or played on a seesaw? If so, then you’ve used a lever!
A lever is one of the simplest and most powerful machines. It makes lifting or moving things easier.
At its core, a lever is just a rigid bar that pivots around a fixed point called the fulcrum.
Every lever has three main...
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