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Physics, 21.01.2020 19:31 ehklu1226

21. suppose that a particular machine in a factory has two steel pieces that must rub against
each other at a constant speed. before either piece of steel has been treated to reduce
triction, the force necessary to get them to perform properly is 5.8 n. after the pieces
have been treated with oil, what will be the required force?

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21. suppose that a particular machine in a factory has two steel pieces that must rub against
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