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Results tagged with rotational-dynamics
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user 101884
A tag for questions about the mechanical interactions of rotating objects, including torque and angular momentum.
2
votes
Tension in massless string
In a massless string the sum of forces acting on every part of the string must be zero, otherwise, if the force was finite, the string would get an infinite accelleration $a = \lim_{m\rightarrow 0} F/ …
- 113
2
votes
4
answers
2k
views
Angular momentum changes depending on orign
Consider the image below where we have two point masses $m_1$ and $m_2$ with different masses which are rotating around a fixed axis with angular velocity $\omega$. If the origin is placed on the axis …
- 113