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An 8.0 kg crate is pulled 5.0 m up a 30° incline by a rope
Chapter 11, Problem 52P(choose chapter or problem)
Problem 52P
An 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.
a. How much work is done by tension, by gravity, and by the normal force?
b. What is the increase in thermal energy of the crate and incline?
Questions & Answers
QUESTION:
Problem 52P
An 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.
a. How much work is done by tension, by gravity, and by the normal force?
b. What is the increase in thermal energy of the crate and incline?
ANSWER:
Step 1 of 7
We are required to find the increased thermal energy of the crate
We are required to calculate the work done by the tension, gravity and normal force