Recent content by skigamemaker

  1. S

    Work: Holding something up

    Ya im not 100% sure what the best answer to that would be but i would say its got more to do with the definition of work. Theres 0 work done on the bag because it dosent move. But you arm is definitly using energy (ATP and all that chemical energy in the body). And if you think about it your arm...
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