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Levels Tought:
Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 2 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Keeping the book up
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A book of mass M is positioned against a vertical wall. The coefficient of friction between the book and the wall is µ. You wish to keep the book from falling by pushing on it with a force F applied at an angle θ with respect to the horizontal (−π/2 < θ="">< π/2),="" as="" shown="" in="" fig.="" 1.20.="" for="" a="" given="" θ,="" what="" is="" the="" minimum="" f="" required?="" what="" is="" the="" limiting="" value="" of="" θ,="" below="" which="" there="" does="" not="" exist="" an="" f="" that="" will="" keep="" the="" book="" up?="">

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