siammincjsc123 siammincjsc123

22-04-2018
Biology

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

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xdraind xdraind

23-04-2018

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.

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ecgrace ecgrace

23-04-2018

A wheelbarrow is to machines combined

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