MP16- Friction

# MP16- Friction - 3/2/08 4:52 PM MasteringPhysics:...

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Unformatted text preview: 3/2/08 4:52 PM MasteringPhysics: Assignment Print View Page 1 of 3 http://session.masteringphysics.com/myct/assignmentPrint?assignmentID=1114136 [ Print View ] PHYS 2211 ABCDE Spring 08 MP16: Friction Due at 11:59pm on Tuesday, February 5, 2008 View Grading Details Pushing a Chair along the Floor A chair of weight 120 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 39.0 directed at an angle of 34.0 below the horizontal and the chair slides along the floor. Part A Using Newton's laws, calculate , the magnitude of the normal force that the floor exerts on the chair. Hint A.1 How to approach the problem Hint not displayed Part A.2 Choosing the correct free-body diagram Part not displayed Part A.3 Find the vertical net force Part not displayed Part A.4 Find the vertical component of the force that you exert on the chair Part not displayed Express your answer in newtons. ANSWER: = 142 Board Pulled Out from under a Box A small box of mass is sitting on a board of mass and length . The board rests on a frictionless horizontal surface. The coefficient of static friction between the board and the box is ....
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## This note was uploaded on 05/08/2008 for the course PHYSICS 2211 taught by Professor Uzer during the Spring '08 term at Georgia Tech.

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MP16- Friction - 3/2/08 4:52 PM MasteringPhysics:...

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