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Torque - An application of the cross product

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Uploaded by on Oct 19, 2008

Torque - 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. In this video, I calculate the magnitude of the torque vector.
For more free math videos, visit http://JustMathTutoring.com

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Education

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Standard YouTube License

  • likes, 4 dislikes

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Uploader Comments (patrickJMT)

  • The wrench would work a lot better if it would fit OVER the nut. This wrench is useless.

    Another thing is that the torque can only push the wheel agains the hub because the use of screwthread. The pitch of the thread is what 'converts' the torque to a FORCE to hold the heel to the hub.

  • @olafzijnbuis okie dokie

  • Glad i dont have to change a wheel nut LOL

  • AAA for like $20/yr is the only way to go

Top Comments

  • Really useful but argh at the non-SI units :'(

    lol

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All Comments (50)

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  • foot-pounds

    [foot] = vector; [pound] = scalar

    ♪♫Mass is a scalar!♪♫

    Scalar × Vector = Vector-with-a-magnitude-multip­le-to-the-scalar

  • @olafzijnbuis you realize this is a basic physics/math tutorial, not a cutting edge technique to fix a car, right?

  • I like how you make much more sense and are clearer than my college professor. Thanks PatrickJMT! (You should consider SI units).

  • i think you're one of those people who actually deserve the youtube partnerships unlike those useless vloggers who talk about nothing...

  • wyzt is right lmao my teacher was talking about this stuff just the other day didnt understand shit all in that whole hour long lesson then come watch this 4 minute video and i understand it perfectly?:P damn teachers

  • know what's fun to do? play a bunch of these videos at once in different windows and listen patrick talk over himself. Thanks for helping me study for finals......

  • thank you soo much for teaching me and multiple classmates of mine how to do these problems, your more useful than our teacher, we watch your videos on the board all the days he is away :P

  • @mahmoudahmed1992 the unit of newton is kg*m/s² so multiplying the weight in pounds by 9.81 (m/s²) isn't going to cut it :)

  • @chadbowman0 terrible ain't it? i honestly can't watch this

  • "Plug it in" XP, substitute the values

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