Diagram of an inclined plane.

An inclined plane is a flat surface that is tilted at an angle to the horizontal plane. It is often represented as a triangle with a base and a height. The angle of inclination is the angle between the inclined plane and the horizontal plane.

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/___________|

Inclined Plane Diagram

```
h
|
|
|
|
---------
\ |\
\ | \
\ | \
\ | \
\|___\ L
```

Key:

- L: Length of the inclined plane
- h: Height of the inclined plane
- α: Angle of inclination (angle between the inclined plane and the horizontal)