Lnewqban's latest activity
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You have it backwards. It is the angular momentum vector that points along the spindle. Consider an element of mass ##dm## on the... -
Lnewqban replied to the thread What force causes precession?.Could we compare your example to a bicycle wheel with its hub or bearings and natural axis of rotation not being perpendicular to the...
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Please study and understand the diagram on the right that uses the right hand rule to find the direction of the angular velocity vector...
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By the spindle I meant the axis of the top that passes through the little beam at the top. I know the top could theoretically rotate...
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Lnewqban replied to the thread What force causes precession?.Could you please explain "the spindle of the top" a little more in detail? Which other way do you believe it could rotate and why?
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Lnewqban replied to the thread What force causes precession?.Copied from: https://courses.lumenlearning.com/suny-osuniversityphysics/chapter/11-3-precession-of-a-gyroscope/
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Lnewqban replied to the thread What force causes precession?.Welcome! Your attached diagram can't be seen for some reason. Try Control+P to insert the image, please. Regardless explanations or...
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Not really, except for the eventual small radial centripetal force to make the center of mass go in circles slowly. But you can make...
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Lnewqban replied to the thread Space Stuff and Launch Info.I had a chance to see it in real time while I was driving Northbound 30 miles South of Cape Canaveral. Thank you for posting!
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Second attempt to launch Falcon Heavy in 1 hour, this time the weather is better: https://www.spacex.com/launches/viasat3f3
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Lnewqban reacted to haruspex's post in the thread Engineering Graphical Four Bar Linkage question with
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It confirms that the position you measured the 134° from is purely illustrative. It is not relevant to the actual question. Just use... -
I worked up the general case for integer ##n## overlapping circles. Here is the Desmos page; The red circle is the generator of the...
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Lnewqban reacted to jedishrfu's post in the thread Challenge MIT Announces the Largest Collection of Olympiad Math Problems with Like.
https://news.mit.edu/2026/mit-scientists-build-worlds-largest-collection-olympiad-level-math-problems-open-0424 MIT researchers have...
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Lnewqban reacted to Ibix's post in the thread High School Uniform thermal expansion of metals with Like.
I would imagine the reasoning is that the holes get bigger, as exemplified by the ball and ring in your OP, so ##x## must decrease...
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I think that level of integration may have it's place in larger systems - the larger multi story residential and commercial buildings...
