A worker moves a 20-kg crate on a level surface by pulling on the free end of a light, uniform cable whose other end is attached to the crate. The resultant tension in the cable is 200 N at an angle of 300 above the horizontal. (See the diagram below.) If the coefficient of friction between the crate and the surface is μk = 0.40, what is the resultant acceleration of the system? a. 3.9 m/s2 b. 4.6 m/s2 c. 1.8 m/s2 d. 3.2 m/s2 e. 2.5 m/s2

A worker moves a 20-kg crate on a level surface by pulling on the free end of a light, uniform cable whose other end is attached to the crate. The resultant tension in the cable is 200 N at an angle of 300 above the horizontal. (See the diagram below.) If the coefficient of friction between the crate and the surface is μk = 0.40, what is the resultant acceleration of the system? a. 3.9 m/s2 b. 4.6 m/s2 c. 1.8 m/s2 d. 3.2 m/s2 e. 2.5 m/s2

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter6: Applications Of Newton’s Laws Of Motion

Section: Chapter Questions

Problem 27PQ: Curling is a game similar to lawn bowling except it is played on ice and instead of rolling balls on...

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