Determine the work done by the frictional force in moving a block of mass m from point 1 to point 2 over the two paths shown in the figure below. Assume the diagram lies in a horizontal plane and assume the coefficient of kinetic friction is uk. For each path, include a sketch showing the displacement vector and the friction force vector. (a) L (b)

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Chapter7: Work And Kinetic Energy
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Problem 99CP: Shown below is a 40-kg crate that is pushed at constant velocity a distance 8.0 m along a 30 Incline...
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Determine the work done by the frictional force in moving a block of mass
m from point 1 to point 2 over the two paths shown in the figure below. Assume the diagram
lies in a horizontal plane and assume the coefficient of kinetic friction is uk. For each path,
include a sketch showing the displacement vector and the friction force vector.
(a) -
L
(b)
2.
Transcribed Image Text:Determine the work done by the frictional force in moving a block of mass m from point 1 to point 2 over the two paths shown in the figure below. Assume the diagram lies in a horizontal plane and assume the coefficient of kinetic friction is uk. For each path, include a sketch showing the displacement vector and the friction force vector. (a) - L (b) 2.
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