Why do four-legged chairs sometimes wobble while tripods never do? - four legged tripod
Article geometry: three points define a plane. An airplane, by definition, is flat, so that the three points on the feet of the chairs in the same plane, ending three traveling in the same plane can not hover too.
Thursday, January 14, 2010
Four Legged Tripod Why Do Four-legged Chairs Sometimes Wobble While Tripods Never Do?
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3 comments:
Three legs of the tripod, always find a point where the three legs touch the ground. If one leg is shorter than the other two are built on mud that direction, but still the three legs on the floor at all times.
With a four-legged stool, is all the shorter leg is shorter than the other three are on the ground, which influence the President in that direction and back allows.
three-legged stools are perfectly matched and weight evenly distributed. four-legged chairs are not balanced when the weight is not evenly distributed, so that the vibration.
You only need 3 points to define a plan.
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