to push the couch 4 m to the other side of the room.  After the initial push to get it going you push on the 90 Kg couch with a steady horizontal force of 600 N.  The coefficient of kinetic friction between the couch and the floor is 0.6.   Calculate the answer for each of the following and explain/show your reasoning.  What is the magnitude and di

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter5: Displacement And Force In Two Dimensions
Section: Chapter Questions
Problem 104A
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You need to push the couch 4 m to the other side of the room.  After the initial push to get it going you push on the 90 Kg couch with a steady horizontal force of 600 N.  The coefficient of kinetic friction between the couch and the floor is 0.6.

 

Calculate the answer for each of the following and explain/show your reasoning. 

  1. What is the magnitude and direction of the frictional force on the couch?



  1. What is the magnitude and direction of the net force on the couch?



  1. What is the magnitude and direction of the acceleration of the couch?



  1. Advanced) How much time did it take to push the couch the 4 m?



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