(a) If the horizontal acceleration produced briefly by an earthquake is a, and if an object is going to "hold its place" on the ground, show that the coefficient of static friction with the ground must be at least us = a/g. (b) The famous Loma Prieta earthquake that stopped the 1989 World Series produced ground accelerations of up to 4.0 m/s² in the San Francisco Bay Area. Would a chair have started to slide on a floor with coefficient of static friction 0.25?

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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(a) If the horizontal acceleration produced briefly by an
earthquake is a, and if an object is going to "hold its place"
on the ground, show that the coefficient of static friction
with the ground must be at least us = a/g. (b) The famous
Loma Prieta earthquake that stopped the 1989 World
Series produced ground accelerations of up to 4.0 m/s² in
the San Francisco Bay Area. Would a chair have started
to slide on a floor with coefficient of static friction 0.25?
Transcribed Image Text:(a) If the horizontal acceleration produced briefly by an earthquake is a, and if an object is going to "hold its place" on the ground, show that the coefficient of static friction with the ground must be at least us = a/g. (b) The famous Loma Prieta earthquake that stopped the 1989 World Series produced ground accelerations of up to 4.0 m/s² in the San Francisco Bay Area. Would a chair have started to slide on a floor with coefficient of static friction 0.25?
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