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phy131studiof16:lectures:chapter12 [2016/07/29 12:20]
mdawber [14.P.025]
phy131studiof16:lectures:chapter12 [2016/10/25 10:20] (current)
mdawber [Conditions for stable equilibrium]
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 $\frac{F_{hx}}{\cos\phi}=\frac{(mg+\frac{1}{2}m_{a}{g})\cos\theta}{\sin(\phi+\theta)}$ $\frac{F_{hx}}{\cos\phi}=\frac{(mg+\frac{1}{2}m_{a}{g})\cos\theta}{\sin(\phi+\theta)}$
  
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-===== 14.P.030 ===== 
  
  
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 This [[http://​www.youtube.com/​watch?​v=K5QGoP6bXaY|circus trick]] looks pretty difficult. ​ This [[http://​www.youtube.com/​watch?​v=K5QGoP6bXaY|circus trick]] looks pretty difficult. ​
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-{{youtube>​K5QGoP6bXaY?​large}} 
  
  
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 But actually it isn't! But actually it isn't!
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-{{youtube>​FKMTRsOSKQU?​large}} 
  
 An object whose center of gravity is below it's point of support will be in stable equilibrium so [[http://​www.youtube.com/​watch?​v=FKMTRsOSKQU&​feature=player_embedded|riding a unicycle on a high wire]] is easy if there is weight suspended from it like the one at [[http://​www.cosi.org/​|COSI]]. An object whose center of gravity is below it's point of support will be in stable equilibrium so [[http://​www.youtube.com/​watch?​v=FKMTRsOSKQU&​feature=player_embedded|riding a unicycle on a high wire]] is easy if there is weight suspended from it like the one at [[http://​www.cosi.org/​|COSI]].
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 $B$ is the [[wp>​Bulk_modulus|bulk modulus]]. ​ $B$ is the [[wp>​Bulk_modulus|bulk modulus]]. ​
  
-===== 14.P.042 ===== 
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-===== 14.P.051 ===== 
  
 ===== Strength of materials ===== ===== Strength of materials =====
phy131studiof16/lectures/chapter12.1469809226.txt ยท Last modified: 2016/07/29 12:20 by mdawber
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