60.0-kg box is dragged up a 20º incline by a rope held 35º above the horizontal. The coefficient of kinetic friction between the box and the incline is 0.40. (a) Set up the problem as practiced in class. Draw a free-body diagram, make a grid, etc. (b) What tension in the rope is necessary for the speed of the box to increase at 2.70 m/s^2 ?
60.0-kg box is dragged up a 20º incline by a rope held 35º above the horizontal. The coefficient of kinetic friction between the box and the incline is 0.40. (a) Set up the problem as practiced in class. Draw a free-body diagram, make a grid, etc. (b) What tension in the rope is necessary for the speed of the box to increase at 2.70 m/s^2 ?
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 63PQ: A 75.0-g arrow, fired at a speed of 110 m/s to the left, impacts a tree, which it penetrates to a...
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60.0-kg box is dragged up a 20º incline by a rope held 35º above the horizontal. The coefficient of kinetic friction between the box and the incline is 0.40.
(a) Set up the problem as practiced in class. Draw a free-body diagram, make a grid, etc.
(b) What tension in the rope is necessary for the speed of the box to increase at 2.70 m/s^2 ?
(c) What is the tension in the rope if the speed of the box decreases at 1.50 m/s^2 ?
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