The diagram below is a top-down view of two children pulling a 12.0-kg sled along the snow. The first child exerts a force of F, - 14 N at an angle e, - 45° counterclockwise from the positive x direction. The second child exerts a force of F, - 8 N at an angle e, - 30° clockwise from the positive x direction. (a) Find the magnitude (in N) and direction of the friction force acting on the sled if it moves with constant velocity. 17.83 199.31 magnitude direction (counterclockwise from the +x-axis) (b) What is the coefficient of kinetic friction between the sled and the ground? 0.15 (c) What is the magnitude of the acceleration (in m/s) of the sled if F, is doubled and F, is halved in magnitude? 0.229 J× m/s²

The diagram below is a top-down view of two children pulling a 12.0-kg sled along the snow. The first child exerts a force of F, - 14 N at an angle e, - 45° counterclockwise from the positive x direction. The second child exerts a force of F, - 8 N at an angle e, - 30° clockwise from the positive x direction. (a) Find the magnitude (in N) and direction of the friction force acting on the sled if it moves with constant velocity. 17.83 199.31 magnitude direction (counterclockwise from the +x-axis) (b) What is the coefficient of kinetic friction between the sled and the ground? 0.15 (c) What is the magnitude of the acceleration (in m/s) of the sled if F, is doubled and F, is halved in magnitude? 0.229 J× m/s²

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Description: The diagram below is a top-down view of two children pulling a 12.0-kg sled along the snow. The first child exerts a force of F, = 14 N at an angle e, = 45° counterclockwise from the positive x direction. Thesecond child exerts a force of F, = 8 N a

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Vectors

Section: Chapter Questions

Problem 7P: A force F1 of magnitude 6.00 units acts on an object at the origin in a direction = 30.0 above the...

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