26-01-2016
Chemistry

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How can friction be helpful

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Аноним Аноним

26-01-2016

Friction can help lower the speed of an object. It can slow it down.

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Tarquinius Tarquinius

26-01-2016

Many things can't move without things to push off of, for example our own feet. If there was no friction we would simply slide around.

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