Recent content by congman

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    Physical pendulum with air friction

    This is the differential equation of a physical pendulum with no air friction. In my case there will be a force because of friction and it will be -k.v My problem is how to include this force to the dif. equ. and what will be the k?
  2. C

    Physical pendulum with air friction

    i think -k.v is more approriate for my case
  3. C

    Physical pendulum with air friction

    i know the pyhsical pendulum. İ do not need to solve differantial equation.İ just need to derive it.İ find a lot of sources about it but none of them include air friction. and thaks for the reply
  4. C

    Physical pendulum with air friction

    Homework Statement For my control system course i need to derive differential equation and period of a physical pendulum. Pendulum rod's mass is m, length is l and has a spherical mass M Homework Equations i need relevant equatins so obviously :D The Attempt at a Solution i know that i...
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