A warehouse worker exerts a constant horizontal force of magnitude 85 N on a 40 kg box that is initially at rest on the horizontal floor of the warehouse.When the box has moved a distance of 1.4 m, its speed is 1.0 m/s.What is the coefficient of kinetic friction between the box and the floor?

A warehouse worker exerts a constant horizontal force of magnitude 85 N on a 40 kg box that is initially at rest on the horizontal floor of the warehouse.When the box has moved a distance of 1.4 m, its speed is 1.0 m/s.What is the coefficient of kinetic friction between the box and the floor?

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 40PQ: A sleigh is being pulled horizontally by a train of horses at a constant speed of 8.05 m/s. The...

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Concept explainers

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

Question

A warehouse worker exerts a constant horizontal force
of magnitude 85 N on a 40 kg box that is initially at rest on the horizontal
floor of the warehouse.When the box has moved a distance
of 1.4 m, its speed is 1.0 m/s.What is the coefficient of kinetic friction
between the box and the floor?

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