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DrBanana's latest activity
D
DrBanana
replied to the thread
B
How does an object gain potential energy?
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I asked the same question here...
May 30, 2024
D
DrBanana
replied to the thread
B
How's it possible to push on systems with 2 parts? (Newton's third law)
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Your answer seems interesting but unfortunately I made this post as a precursor to understanding springs : (
May 23, 2024
D
DrBanana
reacted to
Dale's post
in the thread
B
How's it possible to push on systems with 2 parts? (Newton's third law)
with
Like
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We cannot know it without experiment. In fact, it does not always happen. If you are briefly pushing a soft fluffy pillow with a rock...
May 23, 2024
D
DrBanana
replied to the thread
B
How's it possible to push on systems with 2 parts? (Newton's third law)
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But how can we know (without experiment) that that assumption is true?
May 23, 2024
D
DrBanana
replied to the thread
B
How's it possible to push on systems with 2 parts? (Newton's third law)
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So, is there a deeper reason behind this, or is it just taken to be true (as in, do we only conclude this because assuming the opposite...
May 23, 2024
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DrBanana
posted the thread
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How's it possible to push on systems with 2 parts? (Newton's third law)
in
Classical Physics
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An alternative title could have been "how do forces propagate" but google searches bring up things related to waves only. Initially my...
May 23, 2024
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DrBanana
posted the thread
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Normal force in case of inclined plane and banked turn
in
Classical Physics
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This isn't really a question per se, but it recently just 'clicked' for me and I would like to share what made that do so. There are...
May 22, 2024
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DrBanana
replied to the thread
B
Found a circuit where current is zero across an ohmic device (dV>0)
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I think there was a line in my textbook that went something like "because these two charged spheres have different potential, current...
May 5, 2024
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DrBanana
replied to the thread
B
Found a circuit where current is zero across an ohmic device (dV>0)
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For the future viewer I found this: https://physics.stackexchange.com/questions/410402/why-the-current-doesnt-flow-in-an-open-branch...
May 4, 2024
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DrBanana
posted the thread
B
Found a circuit where current is zero across an ohmic device (dV>0)
in
Classical Physics
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I know that a voltage difference doesn't necessarily imply current flow, but all the explanations I seem to find of that either say that...
May 4, 2024
D
DrBanana
posted the thread
B
Sign conventions in torque and non-uniform circular motion
in
Classical Physics
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Sorry for the overly general title but my problem is regarding a specific problem: find the net force on the bob of a pendulum as a...
May 3, 2024
D
DrBanana
reacted to
Ibix's post
in the thread
B
Why does a coin take 2 full rotations around another coin?
with
Like
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The (possibly overcomplicated) way I see it is this. Let the central coin have radius ##R## and the orbiting coin have radius ##r##...
Apr 28, 2024
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DrBanana
replied to the thread
B
Why is it impossible to go faster than the speed of light?
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I can't answer your question as I don't know much about this myself. However as far as I know, this is Einstein's second postulate for...
Apr 28, 2024
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DrBanana
replied to the thread
B
Conceptually understanding change in potential energy with 0 net work
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I know this wasn't the topic of the post, but what if this action-reaction pair is not a conservative force?
Apr 26, 2024
D
DrBanana
replied to the thread
Classical
Looking for a thermodynamics book that 'ties it all together'
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Haven't read it but for the benefit of the potential viewer, I found this...
Apr 26, 2024
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