9. Work & Energy
Net Work & Work-Energy Theorem
7:55 minutes
Problem 9a
Textbook Question
Textbook QuestionAn 8.0 kg crate is pulled 5.0 m up a 30° incline by a rope angled 18 ° above the incline. The tension in the rope is 120 N, and the crate's coefficient of kinetic friction on the incline is 0.25. (b) What is the increase in thermal energy of the crate and incline?
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