# The Cross Product

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A series of free Multivariable Calculus Video Lessons learn how to find the cross product and use it to calculate the magnitude of a torque vector.

The Cross Product
This video gives the formula for the cross product of two vectors, discusses geometrically what the cross product is, and does an example of finding the cross product.
Torque - An application of the cross product
When you tighten a bolt on the tire of your car, you are using torque! An application of the cross product involving torque is shown. This video shows how to calculate the magnitude of the torque vector.

Cross product 1
Introduction to the cross product
Cross Product 2
A little more intuition on the cross product. Dot vs. Cross Product
Understanding the differences between the dot and cross products

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