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lucas
  • Member for 8 years, 6 months
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question
40
Why is the efficiency of human cells less than the efficiency of an Otto engine?
Jun 29, 2016
question
11
Can one rise through a free-falling rope?
Jul 19, 2016
answer
10
Does zero net force imply zero net torque?
May 27, 2016
question
9
Is there strong interaction between electrons?
Jul 4, 2016
question
8
Which temperature does $T$ in Clausius inequality ($\oint \frac{\delta Q}T\le 0$) refer to?
Jul 22, 2016
answer
8
Can there be an acceleration when no net force acts on a massless object?
Jun 8, 2016
question
6
Why do we use orthogonal axes?
Jun 14, 2016
question
5
Was there physics science before invention of calculus?
Jul 6, 2016
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5
What is the cause of rolling friction? & why is it less than sliding friction?
Jun 17, 2016
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5
Meaning of the value of the centripetal acceleration
Jul 1, 2016
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Why does Google give better results than PSE search about PSE's own pages?
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How is a low quality post review completed?
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Which questions should be asked in physics stack exchange?
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What is the "positive question record"?
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Find the RED meat!
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I am old, and I am fast