Asked by cayla
how do you compare mass and weight on the earth, moon, and outer space?
Answers
Answered by
drwls
Multiply mass by the local acceleration of gravity (g) to get weight. On the moon, g is 1/6 of the value on Earth.
In outer space, you have to add up the gravitational forces of all nearby large bodies and take the resultant, and divide by the mass, to get the local g. Feeling "weightless" in free fall does not mean that you have no weight. You can feel "weightless" in a falling elevator, but you still have weight.
In outer space, you have to add up the gravitational forces of all nearby large bodies and take the resultant, and divide by the mass, to get the local g. Feeling "weightless" in free fall does not mean that you have no weight. You can feel "weightless" in a falling elevator, but you still have weight.
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