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Mathematics 20 Online
OpenStudy (anonymous):

Rolling friction occurs when any two solid surfaces slide over each other. True False

sam (.sam.):

Uh its common sense

OpenStudy (anonymous):

LOL thought so :)

sam (.sam.):

so what do you think?

OpenStudy (anonymous):

Just making sure

sam (.sam.):

Its true, think about it, if there's no friction, you couldn't even walk

OpenStudy (anonymous):

But how is it rolling

sam (.sam.):

Its the same, rolling is displacing from that point, its moving

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