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A 214 kg log is pulled up a ramp by means of a rope that is...

A 214 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0o with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.914, and the log has an acceleration of magnitude 0.85 m/s2. Find the tension in the rope. (g = 9.80 m/s2)

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Answer #1

Weight of the log mg is acting vertically downwards ,which is resolved into its components

Net Force =Mass*acceleration

Fr is the frictional force =uN

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