What is a lever? How is the class of a lever determined?

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Solution

A $lever$ is a simple machine consisting of a rigid rod fixed to a pivot about which it can rotate.

A lever has three components:

Effort

Load

Fulcrum

The class of a lever is determined by the relative positions of effort, load, and fulcrum. There are three possible classes of levers.

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What is a lever? How is the class of a lever determined?

A lever is a simple machine consisting of a rigid rod fixed to a pivot about which it can rotate. A lever has three components: Effort Load Fulcrum The class of a lever is determined by the relative positions of effort, load, and fulcrum. There are three possible classes of levers.

A $lever$ is a simple machine consisting of a rigid rod fixed to a pivot about which it can rotate.

A lever has three components:

Effort

Load

Fulcrum

The class of a lever is determined by the relative positions of effort, load, and fulcrum. There are three possible classes of levers.