Why is it essential to define a "zero" reference prospective energy?

The energy most popular zero in product development: issue Dani : Why is it necessary to have a "zero" point of reference for the potential energy For example, if an object moves closer to the surface of the earth, is the "zero potential energy" date taken to be the face of the earth. Is this not an arbitrary choice Best Answer: response from cooldude1675 yes, but remember that everything is relative in the world can I keep a ball of 6m above the ground, it has a certain energy

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