friction can be increased by using ball bearings between the moving part of machine 1) true 2) false
divya33391:
hello
explain
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Explanation:
true , is the correct answer.
but how.... please explain
ball bearings change sliding friction into rolling friction.
so friction is decreased not increased
Yes.
so it is false n??
oh yes I wrote the wrong answer by mistake. false is the correct answer.
ok
thanks
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