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Science and science related problems, things physical and chemical and mineral, will appear in this category.
Take an electronic kitchen scale, a scale with a spring dial, and a balance scale into an elevator.

Put nothing on them. Indeed, press the tare button, or adjust them so that they all read zero.

When the elevator accelerates upwards, what happens?

(No Solution Yet, 6 Comments) Submitted on 2018-09-06 by Jer   
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