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can the work by kinetic friction on an object be positive?Zero?

can the work by kinetic friction on an object be positive?Zero?

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
Yes,workdone by thekinetic frictionon theobject canbepositiveand also zero.Workdone by thekinetic friction on an objectis always the negative because the displacement is always opposite to the thefrictionalforce.

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