maths study via The Open University

Some more videos

Video one is handy to introduce the concept of applying the cross product to torque problems.
Video two is where the heavier stuff comes in.
Both very good videos for very different reasons.

Also, a very good basic description of the cross product and its application to torque is here:

http://www.netcomuk.co.uk/~jenolive/vect8.html

 

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