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OpenStudy (anonymous):
A 6.0kg box slides a 20m distance on ice. If the coefficient of kinetic friction is 0.25, what is the work done by the friction force?
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OpenStudy (anonymous):
work done = force . displacement = (coeff of friction * normal) * 20 = .25 * 6 * 9.8 * 20 =294 J
OpenStudy (anonymous):
provided the sliding is on a plane suface with elevation angle 0
OpenStudy (anonymous):
actually its -294 J
OpenStudy (akashdeepdeb):
@sstaton Is your query cleared? :)
OpenStudy (anonymous):
Yes thank you!
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