A child on a sled (total mass 55 kg) accelerates down a 18.4 degree incline at 1.26 m/s^2. What is the magnitude of the forces opposing motion?

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 9CQ
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A child on a sled (total mass 55 kg) accelerates down a 18.4 degree incline at 1.26 m/s^2. What is the magnitude of the forces opposing motion?

 

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