1. A train pulls a 500-kg load up a slope with negligible friction between the load and the track. The angle of the slope is 24-degrees. The load is pulled up the slope at a constant speed. a. How much force must the train apply to keep the load moving at a constant speed? b. What is the work done by the gravitational force on the load as the load is pulled 20 meters along the slope? c. What is the work done by the train as it pulls the load? d. What is the total work on the load? e. Explain your answer to part d.

1. A train pulls a 500-kg load up a slope with negligible friction between the load and the track. The angle of the slope is 24-degrees. The load is pulled up the slope at a constant speed. a. How much force must the train apply to keep the load moving at a constant speed? b. What is the work done by the gravitational force on the load as the load is pulled 20 meters along the slope? c. What is the work done by the train as it pulls the load? d. What is the total work on the load? e. Explain your answer to part d.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter7: Work, Energy, And Energy Resources

Section: Chapter Questions

Problem 38PE: (a) How long will it take an 850-kg car with a useful power output of 40.0 hp (1hp=746W) to reach a...

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