Answered: A horse pulls a 300 kg sled for 50 m…

A horse pulls a 300 kg sled for 50 m over level ground at constant speed, exerting a force of 3000 N at 30° above horizontal. How much work is done by the horse on the sled? 150 kJ 2940 J 130 kJ

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter9: Energy In Nonisolated Systems

Section: Chapter Questions

Problem 7PQ

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Question

A horse pulls a
300 kg
sled for
50 m
over level ground at constant speed, exerting a force of
3000 N
at
30°
above horizontal. How much work is done by the horse on the sled?
150 kJ
2940 J
130 kJ

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