Wheelbarrow
device · 100 · Ancient world
A one-wheeled cart — a second-class lever.
What it is made of
- Wheel — has part. A wheel.
Principles and materials it uses
- Lever — uses. A second-class lever: the wheel is the fulcrum.
- Wood — is made of. A wheelbarrow is wooden.
What it is a kind of
- Cart — is a kind of. A wheelbarrow is a small one-wheeled cart pushed by a person.