1. An Eskimo returning from a successful fishing trip pulls a sled loaded with salmon. The total mass of the sled and salmon is 50.0 kg, and the Eskimo exerts a force of magnitude 1.20 x102 N on the sled by pulling on the rope. a. How much work does he do on the sled if the rope is horizontal to the ground (θ = 0°) and he pulls the sled in 5.0 m? b. How much work does he do on the sled if (θ =90°) and he pulls the sled the same distance?
1. An Eskimo returning from a successful fishing trip pulls a sled loaded with salmon. The total mass of the sled and salmon is 50.0 kg, and the Eskimo exerts a force of magnitude 1.20 x102 N on the sled by pulling on the rope. a. How much work does he do on the sled if the rope is horizontal to the ground (θ = 0°) and he pulls the sled in 5.0 m? b. How much work does he do on the sled if (θ =90°) and he pulls the sled the same distance?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter6: Energy Of A System
Section: Chapter Questions
Problem 6P
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1. An Eskimo returning from a successful fishing trip pulls a sled loaded with salmon. The total mass of the sled and salmon is 50.0 kg, and the Eskimo exerts a force of magnitude 1.20 x102 N on the sled by pulling on the rope.
a. How much work does he do on the sled if the rope is horizontal to the ground (θ = 0°) and he pulls the sled in 5.0 m?
b. How much work does he do on the sled if (θ =90°) and he pulls the sled the same distance?
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