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physics

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is this right?

a 50kg barbell can be lifted by usinga force of 180 N. what is the force of gravity on this planet? if the same barbell is lifted on earth, what minimal force is needed?

-i got 3.6 for gravity of the unnamed planet; and 49 N for the minimal force to be lifted on earth

  • physics - ,

    The force of gravity on this object is 180N.

    Now if you want the acceleration due to gravity, it is 3.6m/s^2, or 3.6N/kg

    The minimal force to lift on Earth is
    50kg*9.8N/kg

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