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pedrovisk's latest activity
pedrovisk
replied to the thread
Thermodynamics and harmonic motion
.
The exercise is based on a real experiment named "Ruchhardt experiment". This experiment aims to calculate \gamma (Cp/Cv). The ball in...
Mar 4, 2024
pedrovisk
replied to the thread
Thermodynamics and harmonic motion
.
Elaborate, please. But got the answer in another forum, so no need for reply.
Mar 4, 2024
pedrovisk
posted the thread
Thermodynamics and harmonic motion
in
Advanced Physics Homework Help
.
TL;DR Summary: Problem said that the ball moves in a harmonic motion and asked to prove it. The process is adiabatic Problem said that...
Mar 4, 2024
pedrovisk
reacted to
PeroK's post
in the thread
I
Newton's second law for rotations
with
Like
.
PS gravity acts through the centre of the bar, so it should not produce a torque on the bar about its centre.
Mar 4, 2024
pedrovisk
reacted to
PeroK's post
in the thread
I
Newton's second law for rotations
with
Like
.
You have a torque of ##F\frac l 2##. Somehow you have an opposing torque of ##\frac{mlg}{4}##.
Mar 4, 2024
pedrovisk
replied to the thread
I
Newton's second law for rotations
.
Thanks, you are absolutely right. I was having trouble to understand rotations as a extension of Newton's laws. Asking the same...
Mar 4, 2024
pedrovisk
reacted to
PeroK's post
in the thread
I
Newton's second law for rotations
with
Like
.
I don't know what "win" means in this context. In the absence of a resisting force, any force (no matter how small) will move and...
Mar 4, 2024
pedrovisk
reacted to
Orodruin's post
in the thread
I
Newton's second law for rotations
with
Like
.
It is like asking what force is required to make an object accelerate when there is no resisting force. F = ma tells you that any net...
Mar 4, 2024
pedrovisk
replied to the thread
I
Newton's second law for rotations
.
Can't believe i forgot about this. Basic Newton's first law for rotations. I think I was confused when I was trying to rotate a bar...
Mar 4, 2024
pedrovisk
replied to the thread
I
Newton's second law for rotations
.
Hi! The bar is at static equilibrium. What I meant with this force F is what "push" I need to do in order to "win" the moment of inertia.
Mar 4, 2024
pedrovisk
posted the thread
I
Newton's second law for rotations
in
Mechanics
.
EDIT: I forgot about Second Newton's law for rotations and this led to a mistake. Anyway, thanks for the people who answered it and...
Mar 4, 2024
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