anonymous
  • anonymous
find the acceleration and tension in cord for the arrangement shown. http://www.webassign.net/serpop/p4-38.gif (first apply F=ma to the entire sytem along the line of motion) help please. m1 = 2kg m2 = 4kg
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Michele_Laino
  • Michele_Laino
here is a drawing of the forces acting on each of the objects: |dw:1435849915607:dw|
Michele_Laino
  • Michele_Laino
so the subsequent vector equations hold: \[\Large \left\{ \begin{gathered} {M_1}{\mathbf{a}} = \frac{{\mathbf{T}}}{2} \hfill \\ \hfill \\ {M_2}{\mathbf{a}} = {\mathbf{T}} + {M_2}{\mathbf{g}} \hfill \\ \end{gathered} \right.\]
Michele_Laino
  • Michele_Laino
now using the reference system in my drawing, I get this scalar equations: \[\Large \left\{ \begin{gathered} {M_1}a = \frac{T}{2} \hfill \\ \hfill \\ - {M_2}a = T - {M_2}g \hfill \\ \end{gathered} \right.\] please solve that algebraic system for T and a

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Michele_Laino
  • Michele_Laino
T is the magnitude of the tension of the string, g is the earth gravity
anonymous
  • anonymous
okay thanks :)
Michele_Laino
  • Michele_Laino
:)
IrishBoy123
  • IrishBoy123
|dw:1435865469375:dw|

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