jam9749 jam9749
  • 07-05-2021
  • Physics
contestada

If you lift a 4 kg object and place it on a shelf 2 m higher than it was, how much work did you do?

Respuesta :

Brobertiello Brobertiello
  • 07-05-2021
Work is equal to Force times Distance

Force in this case is the force of gravity which is mg

So work is (4)(9.8)(2) or about 78.4 joules
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