A 68 kg person is standing on a scale in an elevator. What does the scale read when the elevator is at rest?

1 Answer
Burglar
Jul 6, 2016

68 kg.

Explanation:

If the elevator is at rest it is like any other frame fixed with respect to the ground.
Then the scale will read 68 kg.
The change can happen if the elevator moves. In that case tis motion can affect the total force acting on the scale modifying the read.

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