A horse is harnessed to a sled having a mass of 251 kg, including supplies. The horse must exert a force exceeding 1250 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 1250 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 horse exerting a force of 6.25 x 10 N on the sled at the same angle. (Enter the magnitude.)
A horse is harnessed to a sled having a mass of 251 kg, including supplies. The horse must exert a force exceeding 1250 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 1250 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 horse exerting a force of 6.25 x 10 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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