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Otrada [13]
4 years ago
10

Using a wheelbarrow can make it easier to lift a heavy object by

Biology
2 answers:
Vladimir [108]4 years ago
8 0
Its because a wheelbarrow is 2 simple machines combined. its a lever and a wheel and axle. when you apply effort to the lever it will give upward force to the load making it easier to lift heavy objects.
Sedaia [141]4 years ago
7 0
A wheelbarrow is to machines combined
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