A mule is harnessed to a sled having a mass of 241 kg, including supplies. The mule must exert a force exceeding 1260 N at an angle of 36.3° (above the horizontal) in order to get the sled moving. Treat the sled as a point particle. HINT (a) Calculate the normal force (in N) on the sled when the magnitude of the applied force is 1260 N. (Enter the magnitude.) (b) Find the coefficient of static friction between the sled and the ground beneath it. (c) Find the static friction force (in N) when the mule is exerting a force of 6.30 x 102 N on the sled at the same angle. (Enter the magnitude.)

A mule is harnessed to a sled having a mass of 241 kg, including supplies. The mule must exert a force exceeding 1260 N at an angle of 36.3° (above the horizontal) in order to get the sled moving. Treat the sled as a point particle. HINT (a) Calculate the normal force (in N) on the sled when the magnitude of the applied force is 1260 N. (Enter the magnitude.) (b) Find the coefficient of static friction between the sled and the ground beneath it. (c) Find the static friction force (in N) when the mule is exerting a force of 6.30 x 102 N on the sled at the same angle. (Enter the magnitude.)

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 99A

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