What is a pseudo vector (in the context of torque) ?

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SUMMARY

A pseudo-vector, in the context of torque, is defined as a vector that behaves differently under reflection compared to standard vectors. When a force is applied to generate torque in a 3D system, the arm and force vectors reflect in a mirrored system, but the torque vector remains unchanged. This unique property of pseudo-vectors is crucial for understanding their role in physics, particularly in rotational dynamics.

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  • Understanding of basic vector mathematics
  • Familiarity with torque and rotational dynamics
  • Knowledge of 3D coordinate systems
  • Concept of reflection in physics
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  • Research the mathematical definition of pseudo-vectors
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  • Learn about the differences between scalar, vector, and pseudo-vector quantities
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Students of physics, engineers working with rotational systems, and anyone interested in advanced vector analysis will benefit from this discussion.

mynoduesp
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on the whole, i find the concept of torque kind of confusing.
 
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Pseudo-vector is basically a vector that transforms a little different. Imagine you have a system to which you apply a force to generate torque. Picture the arm, force, and torque vectors in 3D. Now put it next to a mirror. In the reflected system, the force and arm vectors will also be reflected, but the torque will not be a reflection of the original.

Property of not changing under reflection is what defines a pseudo-vector.
 

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