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3. A crate of mass 10 kg is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 150N parallel to the incline, which makes an angle of 30° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 5.00m. (a) How much work is done by gravity? (b) How much energy is lost due to friction? (c) How much work is done by the 150N force?

3. A crate of mass 10 kg is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 150N parallel to the incline, which makes an angle of 30° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 5.00m. (a) How much work is done by gravity? (b) How much energy is lost due to friction? (c) How much work is done by the 150N force?

University Physics Volume 1
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter7: Work And Kinetic Energy
Section: Chapter Questions
Problem 84AP: A cart is pulled a distance D on a flat, horizontal surface by a constant farce F that acts at an...
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3. A crate of mass 10 kg is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 150N parallel to the incline, which makes an angle of 30° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 5.00m. (a) How much work is done by gravity? (b) How much energy is lost due to friction? (c) How much work is done by the 150N force?
Transcribed Image Text:3. A crate of mass 10 kg is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 150N parallel to the incline, which makes an angle of 30° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 5.00m. (a) How much work is done by gravity? (b) How much energy is lost due to friction? (c) How much work is done by the 150N force?
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