A 46.5-kg box is being pushed a distance of 7.16 macross the floor by a force P whose magnitude is 189 N. The force P is parallel to the displacement of the box. The coefficient of kinetic friction is 0.164. Determine the work done on the box by each of the four forces that act on the box. Be sure to include the proper plus or minus sign for the work done by each force. (a) We (b) W (c) W (d) W

A 46.5-kg box is being pushed a distance of 7.16 macross the floor by a force P whose magnitude is 189 N. The force P is parallel to the displacement of the box. The coefficient of kinetic friction is 0.164. Determine the work done on the box by each of the four forces that act on the box. Be sure to include the proper plus or minus sign for the work done by each force. (a) We (b) W (c) W (d) W

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.78P: The figure shows a steel bar being processed by a rolling mill. Given that P=80kN and r =0.016,...

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