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what is rotational equlibrium?

what is rotational equlibrium?

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Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
9 years ago
Rotational Equilibrium:
When an object is in equilibrium, it is not moving or rotating. The object's linear and angular accelerations are both zero.
* The sum of all the torques acting on a system must be equal to zero.

* The sum of the clockwise torques must be equal to the sum of the counterclockwise torques.

* The pivotal axis can be chosen to be any point inside or outside the object.

* It useful to observe that choosing the pivot point through the line of action of a force eliminates that force from the equilibrium torque equations.

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