Can you tell me about the wheel and axle?
What are some examples of everyday objects that have a wheel and axle?
Does a trackball mouse have an axle?
How do inline skates work?
How are skateboards made?
Here are some questions about this topic.
Click the question to read the answer!
Ask another question about this topic!
See a Full List of Topics
© 1999–2013 BrainPOP and related companies. All rights reserved.
BrainPOP is a registered trademark of FWD Media Inc. d/b/a BrainPOP.
For the full list of trademarks referenced on this page, please see
. Your use of the site indicates your agreement to
be bound by our