Ask an Expert: Question on paper
Question on paper
Thu Jan 31, 2019 4:19 pm
The problem was
Which can help you pull a wagon full of books?
d wheel and axle
Re: Question on paper
Fri Feb 01, 2019 11:50 am
The Ask an Expert forums are for students (and families) working on hands-on science projects.
If you have questions about these terms, this resource on simple machines may be useful.
https://www.sciencebuddies.org/science- ... background
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