# Physics

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Suppose that you are standing on a cardboard carton that just barely supports you.What would happen to it if you jumped up into the air?

It would spring upward a bit.
It would move sideways.
It would be unaffected.
It would collapse.

• Physics -

It would collapse, because you have to exert a downward force to go up. By pushing down on the cardboard that barely holds you, it will probably collapse.

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