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Results tagged with torque
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user 117789
This tag is for questions regarding to torque, which is a measure of the increase in angular momentum over time.
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Total torque about any line when resultant force is zero [closed]
While reading about rotational equilibrium in a book, I came across a statement which I was unable to understand:
In general,
the torque is different about different lines but it can be shown that if … the resultant force is zero, the total torque about any line perpendicular to the plane of the forces is equal. …
- 997
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What is rotational potential energy?
Similarly, during rotational motion when a torque is applied to angularly accelerate a body, the work done by the torque leads to an increase in kinetic energy. … Shouldn't the total energy of the "system" including the person applying torque be conserved and the increase in kinetic energy be justified on the basis of the person's energy being decreased? …
- 997