A 24.0-kg box is released on a 27° incline and accelerates down the incline at 0.30 m/s². Find the friction force impeding its 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
Chapter4: The Laws Of Motion
Section: Chapter Questions
Problem 39P
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A 24.0-kg box is released on a 27° incline and
accelerates down the incline at 0.30 m/s²
▼
Part A
Find the friction force impeding its motion.
Express your answer to two significant figures and include the appropriate units.
Ffr = 21
F
Part B
Submit Previous Answers Request Answer
X Incorrect; Try Again
μA
Submit
k = 17.5
m
Determine the coefficient of kinetic friction.
Express your answer using two significant figures.
15. ΑΣΦ
?
Previous Answers Request Answer
?
Transcribed Image Text:A 24.0-kg box is released on a 27° incline and accelerates down the incline at 0.30 m/s² ▼ Part A Find the friction force impeding its motion. Express your answer to two significant figures and include the appropriate units. Ffr = 21 F Part B Submit Previous Answers Request Answer X Incorrect; Try Again μA Submit k = 17.5 m Determine the coefficient of kinetic friction. Express your answer using two significant figures. 15. ΑΣΦ ? Previous Answers Request Answer ?
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