How is a gravitational field around an object shown

In physics, a gravitational field is a model used to explain the influence that a massive body extends into the space around itself, producing a force on another massive body. Thus, a gravitational field is used to explain gravitational phenomena, and is measured in newtons per kilogram (N/kg).

because if the tool that you are using is not balanced it there would be false mass.

c) power lifting, will be your answer.

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