An 8.1 kg crate is pulled 5.2 m up a 30° incline by a rope angled 18° above the incline. The tension in the rope is 100 N and the crate's coefficient of kinetic friction on the incline is 0.26. ☑ Part A How much work is done by tension, by gravity, and by the normal force? Express your answers in joules to two significant figures. Enter your answers numerically separated by commas. ▸ View Available Hint(s) WT, WG, Wn = Submit Part B - ΜΕ ΑΣΦ What is the increase in thermal energy of the crate and incline? Express your answer in joules to two significant figures. ▸ View Available Hint(s) AEth= Submit Π ΑΣΦ ? J ? J

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
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An 8.1 kg crate is pulled 5.2 m up a 30° incline by a rope angled 18° above the
incline. The tension in the rope is 100 N and the crate's coefficient of kinetic friction
on the incline is 0.26.
Transcribed Image Text:An 8.1 kg crate is pulled 5.2 m up a 30° incline by a rope angled 18° above the incline. The tension in the rope is 100 N and the crate's coefficient of kinetic friction on the incline is 0.26.
☑
Part A
How much work is done by tension, by gravity, and by the normal force?
Express your answers in joules to two significant figures. Enter your answers numerically separated by commas.
▸ View Available Hint(s)
WT, WG, Wn =
Submit
Part B
- ΜΕ ΑΣΦ
What is the increase in thermal energy of the crate and incline?
Express your answer in joules to two significant figures.
▸ View Available Hint(s)
AEth=
Submit
Π ΑΣΦ
?
J
?
J
Transcribed Image Text:☑ Part A How much work is done by tension, by gravity, and by the normal force? Express your answers in joules to two significant figures. Enter your answers numerically separated by commas. ▸ View Available Hint(s) WT, WG, Wn = Submit Part B - ΜΕ ΑΣΦ What is the increase in thermal energy of the crate and incline? Express your answer in joules to two significant figures. ▸ View Available Hint(s) AEth= Submit Π ΑΣΦ ? J ? J
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