gravity, it's positive or negative?

Question

what is the direction of gravity, it's positive or negative?

score 0 · Accepted Answer · edited Jun 02 '16 at 17:21

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gravity, it's positive or negative?

The most convenient reference systems are the ones having the origin at a point on the surface of the earth or in the center of our planet, work with a negative acceleration due to gravity because g points to the origin.

edited Jun 02 '16 at 17:21

By Symmetry

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answered Nov 21 '15 at 00:34

pardaillan

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gravity, it's positive or negative?

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