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  1. B

    Why does astronaut feel ' no weight ' when in space?

    What happens if you lift an object from the bottom to the top of this free-falling elevator; you are doing work against gravity? Is this non-sensable because is the whole elevator is accelerating at rate g?
  2. B

    Why does astronaut feel ' no weight ' when in space?

    Is there NO way of determining whether you are actually in a gravity free enviroment or just experiencing a free fall (in both cases you fell no weight)?
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