inclined planes

Text and illustrations describe inclined planes, a simple machine.

Presents an introduction to ramps and wedges, in simple text with illustrations, describing how these simple machines work in everyday life.

Uses a variety of examples, from scissors and axes to zippers and hairpin turns, to demonstrate the power of the inclined plane and show how ramps and wedges make work and play easier.

Text and pictures introduce the inclined plane, a simple machine consisting of a slanted surface or ramp to make work easier.

Describes what ramps and wedges are and how they work, different types of ramps and wedges and their uses, and other facts about these simple machines.

Introduces young readers to inclined planes, explaining what they are, how they work, what they have been used for throughout history, and how they might be used in the future.

Explains the concepts of work, gravity, and friction, describes machines and inclined planes, and includes simple experiments.

Text and pictures introduce the inclined plane, a simple machine consisting of a slanted surface or ramp to make work easier.

Describes many different kinds, uses, and benefits of inclined planes.

A foundational look at inclined planes, explaining how these simple machines work and describing some common examples, such as ramps, that have been used throughout history.