Torque

The Main Idea

Torque is the measure of who much a force acting on an object causes that object to rotate, creating a tendency for the object to rotate about an axis, fulcrum or pivot. Torque is most commonly classified as "twist", rotational force, or angular force to an object and applying it to a system changes the angular momentum of the system. The effectiveness of torque depends on where the force is applied and the position at which the force acts relative to a location.

A Mathematical Model

Torque is the cross product between the distance vector, a vector from the point of pivot to the point where the force is applied, and the force vector. The force vector, [math]\displaystyle{ {\vec{F}} }[/math], is defined about a particular location.

[math]\displaystyle{ {{\vec{&tau}}={\vec{r}} x {\vec{F}}} }[/math]

[math]\displaystyle{ &tau=qa }[/math]

[math]\displaystyle{ {{(3)}\vec{p}_{f} = \vec{p}_{i} + \vec{F}_{net}{Δt}} }[/math]

A Computational Model

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Connectedness

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History

The concept of torque originated

See also

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Further reading

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External links

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References

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