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
The 100 kg skier’s knee can withstand a lateral torque of 500 N∙m before dislocating. As the skier loses control going around a corner, one ski comes up off the snow and the other boot and lower leg remain vertical, such that the knee starts to bend laterally. If the distance from the skier’s knee to his center of mass is 1 m, at what angle θ from vertical will the knee dislocate due to the torque of gravity alone?
a) 30 degrees
b) 45 degrees
c) 60 degrees
d) 90 degrees
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