DaveC426913's latest activity
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DaveC426913 replied to the thread Wood/Glass/Metal DIY lifting concrete blocks with a lever and a grabber.Oh I see what you're illustrating. Drop a dowel in the hole, just a little smaller than the hole's diameter. Wedge in a shim or two... -
DaveC426913 replied to the thread B Simple mass/scale puzzle.One would suffice. Not of some other scenario (as almost every diagram here has contained) but of the indicated scenario. Anyway...
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DaveC426913 replied to the thread B Simple mass/scale puzzle.I don't want explanations. I have explanations. I even have my own. I know it is, in fact, 10 and not 20. The answer is not in doubt. I...
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DaveC426913 replied to the thread B Simple mass/scale puzzle.Yes you have. It's not resonating. Because you're still not explicitly saying why it's 10 and not 20. Sure. But why not 20? (Do you see...
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DaveC426913 replied to the thread B Simple mass/scale puzzle.I don't want it explained. I want a formal solution.
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DaveC426913 replied to the thread Wood/Glass/Metal DIY lifting concrete blocks with a lever and a grabber.Yeah. That's the kind of thing I'm thinking of.
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DaveC426913 reacted to Rive's post in the thread Wood/Glass/Metal DIY lifting concrete blocks with a lever and a grabber with
Informative.
There is this kind of self-locking thing... -
DaveC426913 replied to the thread B Simple mass/scale puzzle.I get that, if you hung a 10kg mass from the ceiling, there is 10kg pulling down and 10 kg pulling up. I think that's the crux. All the...
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DaveC426913 replied to the thread B Simple mass/scale puzzle.No, it would read 6lb if I had 3lb of bananas hanging off one side and 3lb off the other side.
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DaveC426913 posted the thread Wood/Glass/Metal DIY lifting concrete blocks with a lever and a grabber in DIY Projects.Building a pool deck on a frame over concrete footings: ~ 12"x12"x8" 50lb. I am ruining my back trying to lift, place and fine-tune...
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DaveC426913 replied to the thread B Simple mass/scale puzzle.OK. I see that explains why it's not moving, but that still doesn't really explain why it's 10 and not 20. Well, if I added 10 kg to...
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DaveC426913 replied to the thread B Simple mass/scale puzzle.I know, right? I mean, I am satisfied that it is 10kg, but only because of the way I went about it: It obviously shows 10kg in...
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DaveC426913 replied to the thread B Simple mass/scale puzzle.But ... there's 20kg pulling on it!
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DaveC426913 replied to the thread B Simple mass/scale puzzle.Let me rephrase: Can you show - formally, and without using an alternate scenario for contrast - why the scale shows only 10kg, when it...
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DaveC426913 replied to the thread B Simple mass/scale puzzle.Right. That's the same as my opening analysis. But it's not elegant because it requires saying "OK, let's look at this alternate layout...
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