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The Lorentz Force Law

The Prompt

“Write down the Lorentz force law.”


This SWBQ is a useful activity for helping students recall what the force is experienced by a charged particle subject to an electric and magnetic field, or

$$\vec{F}=q\left(\vec{E}+\vec{v} \times \vec{B}\right) \; \; .$$

Wrap Up

This SWBQ can be incorporated before or after any activity where students must calculate the force exerted on a loop of current in a magnetic field.

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