yeah wouldn't the plane go bouncing up and down the treadmill in the gaps between the rollers? There's your y direction forces!
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There's your y direction forces!
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if you are going to blow the chronic you shouldn't post afterward
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Here is another picture from someone who doesn't understand REALITY.
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Up and down is Y. I learned that in like the 5th grade.
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Hey Brian dumbass, in a 3-D coordinate system, Z is up:
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if you are going to blow the chronic you shouldn't post afterward
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actually i can call Y Z and X whatever the feck i want
coordinate systems are defined by the person working the problem, and as long as you stay consistent throughout the problem it doesnt matter