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Physics
Claudio Saspinski's user avatar
Claudio Saspinski's user avatar
Claudio Saspinski's user avatar
Claudio Saspinski
  • Member for 6 years, 7 months
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Metallurgical engineer. I worked mainly in rolling mills for steel shapes (rebars, rods, beams, guide rails, angles etc). Studying physics after retirement. (On line lectures of prof. Leonard Susskind have a lot to do with it).

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answer
34
Is the weight of the aircraft flying in the sky transferred to the ground?
Dec 14, 2019
answer
27
When a car accelerates relative to earth, why can't we say earth accelerates relative to car?
Sep 7, 2021
answer
22
Why are stars made from hydrogen and helium and not other elements?
Aug 26, 2023
answer
15
Trying to understand Newton's Second Law
May 23, 2022
answer
14
Why does glass, in spite of being amorphous, often break along very smooth surfaces?
Jul 10, 2020
answer
14
Why does all motion in a rigid body cease at once?
Dec 25, 2020
answer
11
Velocity is relative, which means acceleration is relative, which further implies that forces are relative as well
May 6, 2021
answer
11
If I pull a metal bar for long enough with a constant small force, will it eventually break?
Apr 27, 2021
answer
11
How does rubbing soap on wet skin produce foam, and does it really enhance cleaning?
Jan 26, 2021
answer
10
Why do dark objects absorb visible light but only emit infrared radiation?
Aug 16, 2022