27. A horse is harnessed to a sled having a mass of 236 kg, includ- ing supplies. The horse must exert a force exceeding 1 240 N at an angle of 35.0° in order to get the sled moving. Treat the sled as a point particle. (a) Calculate the normal force on the sled when the magnitude of the applied force is 1 240 N. (b) Find the coefficient of static friction between the sled and the ground beneath it. (c) Find the static friction force when the horse is exerting a force of 6.20 X 10² N on the sled at the same angle. 34

27. A horse is harnessed to a sled having a mass of 236 kg, includ- ing supplies. The horse must exert a force exceeding 1 240 N at an angle of 35.0° in order to get the sled moving. Treat the sled as a point particle. (a) Calculate the normal force on the sled when the magnitude of the applied force is 1 240 N. (b) Find the coefficient of static friction between the sled and the ground beneath it. (c) Find the static friction force when the horse is exerting a force of 6.20 X 10² N on the sled at the same angle. 34

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Description: 27. A horse is harnessed to a sled having a mass of 236 kg, includ-ing supplies. The horse must exert a force exceeding 1 240N at an angle of 35.0° in order to get the sled moving. Treatthe sled as a point particle. (a) Calculate the normal force on

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Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

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27. A horse is harnessed to a sled having a mass of 236 kg, includ-
ing supplies. The horse must exert a force exceeding 1 240
N at an angle of 35.0° in order to get the sled moving. Treat
the sled as a point particle. (a) Calculate the normal force on
the sled when the magnitude of the applied force is 1 240 N.
(b) Find the coefficient of static friction between the sled and
the ground beneath it. (c) Find the static friction force when
the horse is exerting a force of 6.20 X 10² N on the sled at the
same angle.
3

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