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%{\small\sc Departamento de Mec�nica de Medios Continuos y Teor�a de Estructuras\par}
{\bf PROBLEMAS DE MEC\'ANICA (curso 95-96);}\hspace{10mm} Fe de erratas
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\begin{tabular}{p{1.0cm} p{3.5cm} p{6cm} p{7cm}}
\underline{P�g.} & \underline{Lugar} & \underline{Dice}  & \underline{Debe decir}  \\
     &    &   &  \\
99 & L�nea 23 (f�rmula)     & $\displaystyle h=\frac{\partial L}{\partial \dot{u}}-L= cte$ 
   & $\displaystyle h=\frac{\partial L}{\partial \dot{u}}\dot{u}-L= cte $ \\
100 & L�nea 17 (f�rmula) & $v=\bm{OA}\cdot\bm{e}_v$ & $v=\bm{OP}\cdot\bm{e}_v$ \\
104 & L�nea 12 (f�rmula) & $\ldots\cos\theta)\theta^2$    &$\ldots\cos\theta)\dot{\theta}^2 $\\
104 & Final (f�rmula) & $\ldots\cos\theta$    &$\ldots\cos(-\theta) $\\  
104 & Final (f�rmula) & $\ldots\sen\theta$    &$\ldots\sen(-\theta) $\\  
105 & L�nea 5 (f�rmula) &
$\bm v=(\dot x+R\dot \varphi\cos\varphi)\bm i+\ldots$ &
$\bm v=(\dot x+R\dot \varphi\cos\varphi+R\dot{\theta})\bm i+\ldots$ \\
&  &  &  \\
105 & L�nea 7 (f�rmula)& \parbox[t]{60mm}{
  $\ldots m(\dot{x}^2+\dot{y}^2+R^2\dot{\varphi}^2 \\
  +2R\dot{x}\dot{\varphi}\cos\varphi+2R\dot{y}\dot{\varphi}\sen\varphi)$}
& \parbox[t]{70mm}{
{\raggedright} $\ldots m[(\dot x+ R\dot{\varphi}\cos\varphi+
R \dot{\theta})^{2} \\
+ (\dot{y}+ R \dot{\varphi} \sen \varphi)^2]$} \\
&  &  &  \\ 
105 & L�nea 14 (f�rmula) & $\dot{x} = R\dot{\theta}$ &$\dot{x} =0 $\\  
105 & L�nea 16 (f�rmula) & $\delta x- R\delta\theta=0$ &$\delta x=0$\\  
105 & L�nea 17 (f�rmula) & $A^{\theta}_{1}=- R$ &$A^{\theta}_{1}=0$\\  
105 & L�nea 18 (f�rmula) & $\ddot{x}=R\ddot{\theta}$ &$\ddot{x}=0$\\  
105 & L�nea 19 (f�rmula) & $\displaystyle \ldots\left( 1-\frac{2}{\pi}\cos\theta\right)$
                         & $\displaystyle \ldots\left( -\frac{2}{\pi}\cos\theta\right)$\\
105 & F�rmula final & $\displaystyle \ldots-MR\ddot{\theta}\frac{2}{\pi}\sen\theta-MR\dot{\theta}^2\ldots$& 
      $\displaystyle \ldots+MR\ddot{\theta}\frac{2}{\pi}\sen\theta+MR\dot{\theta}^2\ldots$\\


\end{tabular}
Madrid, Enero, 1996

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