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Chemistry, 22.06.2021 21:50 zokal9795

A wheelbarrow can be used to help lift a load, such as a pile of dirt, and then push the load across a distance. A man pushes a wheelbarrow.

Which simple machines make up a wheelbarrow?

a pulley and an inclined plane
a wheel and axle and a lever
a pulley and a wheel and axle
a lever and a wedge

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