A 226-kg log is pulled up a ramp bymeans of a rope that is parallel to the surfa

Question

A 226-kg log is pulled up a ramp bymeans of a rope that is parallel to the surface of the ramp. Theramp is inclined at 33.0° with respect to the horizontal. Thecoefficient of kinetic friction between the log and the ramp is0.850, and the log has an acceleration of 0.900 m/s2.Find the tension in the rope.
Thanks! A 226-kg log is pulled up a ramp bymeans of a rope that is parallel to the surface of the ramp. Theramp is inclined at 33.0° with respect to the horizontal. Thecoefficient of kinetic friction between the log and the ramp is0.850, and the log has an acceleration of 0.900 m/s2.Find the tension in the rope.
Thanks!

Explanation / Answer

         Given that the mass of log is m = 226kg      The angle of inclnation is =33o      accelaration is a = 0.90m/s2      accelaration is a = 0.90m/s2      The coefficient of kinetic frictionbetween the log and the ramp is = 0.850 --------------------------------------------------------------------------------------------         Apply Newton's law                          T - mg sin - f = ma            T- mg sin - mg cos =ma                                               T = mg sin + mg cos +ma                                                    = ----------- N Apply Newton's law                          T - mg sin - f = ma            T- mg sin - mg cos =ma                                               T = mg sin + mg cos +ma                                                    = ----------- N

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