Plastic food wrap can be used to cover container by stretching the material acro

Question

Plastic food wrap can be used to cover container by stretching the material across top and pressing the overhanging material again the sides. What makes it stick? Does food wrap stick to it self with equal tenacity? Does it work with metal containers? Plastic food wrap can be used to cover container by stretching the material across top and pressing the overhanging material again the sides. What makes it stick? Does food wrap stick to it self with equal tenacity? Does it work with metal containers?

Explanation / Answer

these are the electric forces which makes it to stick. as opposite charges gets created on different surfaces on pressing and they get wrapped. obviously this phenomenon will not work for food wrap stick to itself. but it can work with metals according to there electronegativity.

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