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a 18.0kg sled being pulled across horizontal surface at constant velocity. pulling force has magnitude of 82.0N and is directed at angle of 30 degree above horizontal. determine coefficient of kinetic friction
14 years ago

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drwls
Uk = (friction force)/(normal force)
at constant velocity

The friction force is the horizontal component of the twowing force.

Uk = (82 cos30)/(Mg - 82 sin 30)
= 71.1/(176.4 - 41.0) = 0.525
14 years ago

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