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what must the crane work against in order to lift the box upward?

. wind
. friction
. gravity
. cable tension

  • science -

    I think it is gravity but its probably wrong because I suck at science and I get like B's and hardly A's

  • science -

    Im here to say that Caroline is right and that she helped me with this question!!!!

  • science -

    No help itvis a

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