box is being pulled to the left across a rough horizontal surface at a constant velocity by a string at a 45° angle above the horizontal. How would you set up Newton's 2nd Law to solve for the friction force? Group of answer choices Fcos45° - fk = 0
box is being pulled to the left across a rough horizontal surface at a constant velocity by a string at a 45° angle above the horizontal. How would you set up Newton's 2nd Law to solve for the friction force? Group of answer choices Fcos45° - fk = 0
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter5: More Applications Of Newton’s Laws
Section: Chapter Questions
Problem 9P: A 3.00-kg block starts from rest at the top of a 30.0 incline and slides a distance of 2.00 m down...
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A box is being pulled to the left across a rough horizontal surface at a constant velocity by a string at a 45° angle above the horizontal. How would you set up Newton's 2nd Law to solve for the friction force?
Group of answer choices
Fcos45° - fk = 0
Fcos45° - fk = 0
Fcos45° - fk - mg = 0
F - fk = 0
F + N - mg - fk = 0
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