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Question on paper

Postby chadhass » Thu Jan 31, 2019 4:19 pm

The problem was
Which can help you pull a wagon full of books?
a Lever
b screw
c fulcrum
d wheel and axle

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Re: Question on paper

Postby AmyCowen » 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. ... background

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