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 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 ecgrace
  • 23-04-2018
A wheelbarrow is to machines combined
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