14.A crate of mass 10.0 kg is pulled up a rough incline with Man initial speed of 1.50 m/s. The pulling force is 100 N parallel to the incline, which makes an angle of 20.0° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 5.00 m. (a) How much work is done by the gravitational force on the crate? (b) Determine the increase in internal energy of the crate-incline system owing to friction. (c) How much work is done by the 100-N force on the crate? (d) What is the change in kinetic energy of the crate? (e) What is the speed of the crate after being pulled 5.00 m?

14.A crate of mass 10.0 kg is pulled up a rough incline with Man initial speed of 1.50 m/s. The pulling force is 100 N parallel to the incline, which makes an angle of 20.0° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 5.00 m. (a) How much work is done by the gravitational force on the crate? (b) Determine the increase in internal energy of the crate-incline system owing to friction. (c) How much work is done by the 100-N force on the crate? (d) What is the change in kinetic energy of the crate? (e) What is the speed of the crate after being pulled 5.00 m?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

14.A crate of mass 10.0 kg is pulled up a rough incline with
Man initial speed of 1.50 m/s. The pulling force is 100 N
parallel to the incline, which makes an angle of 20.0°
with the horizontal. The coefficient of kinetic friction
is 0.400, and the crate is pulled 5.00 m. (a) How much
work is done by the gravitational force on the crate?
(b) Determine the increase in internal energy of the
crate-incline system owing to friction. (c) How much
work is done by the 100-N force on the crate? (d) What
is the change in kinetic energy of the crate? (e) What is
the speed of the crate after being pulled 5.00 m?

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