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How does a plastic cup work?

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Anonymous

16y ago
Updated: 8/17/2019

A plastic cup is a small plastic container, with an open top, that is used to contain fluids to drink (ie. water, soft drink, milk etc). This is able to contain water as it has only one opening (usually the top side) and the user generally holds it with the open side at the top, thus the fluid is contained by the cup due to the effect of gravity (fluid moves towards the earth, but is trapped).

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Wiki User

16y ago

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