Recent content by Ivah

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    A rod in free fall with varying length

    1) I assume that the rod is at rest. So the velocity is zero but I will keep the orientation of the rod free. However, I assume the motion is fully planar. 2) The length of the rod is determined purely by the internal forces so I the length of the rod, L(t), is a function only dependent on the...
  2. I

    A rod in free fall with varying length

    Suppose you have a weightless rod with at the endpoints two masses. This is a special rod whose length varies in time as a function L(t). If I consider this rod in free fall my intuition is that this rod will rotate for suitable L(t). However, I want to write down the equations of motions for...
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