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Lnewqban's latest activity
Lnewqban
reacted to
haruspex's post
in the thread
I've come across another fluid pressure problem I don't understand
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Like
.
I do not understand the function of the check valve here. It is drawn as though allowing flow upwards, which means admitting air if the...
Sep 26, 2025
Lnewqban
reacted to
jbriggs444's post
in the thread
I've come across another fluid pressure problem I don't understand
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Like
.
I agree that the downward force (suction) from the water on the first piston (##F_1##) is 50000 N. I agree that the upward force...
Sep 26, 2025
Lnewqban
replied to the thread
I've come across another fluid pressure problem I don't understand
.
What is exactly what you don't understand? Both represented forces should be pointing in the opposite directions: both should be pulling...
Sep 26, 2025
Lnewqban
reacted to
Rayla's post
in the thread
Sources for Physics Research Paper on Rotational Blade Motion on Helicopter
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Thank you!!
Sep 23, 2025
Lnewqban
reacted to
Rayla's post
in the thread
Sources for Physics Research Paper on Rotational Blade Motion on Helicopter
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Thank you!!
Sep 23, 2025
Lnewqban
replied to the thread
Sources for Physics Research Paper on Rotational Blade Motion on Helicopter
.
Welcome, Rayla! Please, see: https://www.coloradocollege.edu/academics/dept/physics/_documents/seminar/posters_18_19/Harm_Poster.pdf...
Sep 22, 2025
Lnewqban
reacted to
berkeman's post
in the thread
Sources for Physics Research Paper on Rotational Blade Motion on Helicopter
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Welcome to PF. Often when you want to focus your search on research articles and similar sources, you can use Google Scholar for the...
Sep 22, 2025
Lnewqban
reacted to
berkeman's post
in the thread
How Do I Identify and Locate My Curb Stop Valve?
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That sure looks like your curb box to me. :smile: And I'm not familiar with the term "curb stop", but if it's the shutoff valve that...
Sep 17, 2025
Lnewqban
reacted to
Astronuc's post
in the thread
RIP Robert Redford (89)
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https://www.newsweek.com/robert-redford-dead-hollywood-live-updates-2130559 Apparently Redford was a somewhat poor student, so was...
Sep 16, 2025
Lnewqban
reacted to
vdance's post
in the thread
Calculation of Tensile Forces in Piston-Type Water-Lifting Devices at Elevated Locations
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Like
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Thank you all for your thoughtful analysis.
Sep 15, 2025
Lnewqban
replied to the thread
Calculation of Tensile Forces in Piston-Type Water-Lifting Devices at Elevated Locations
.
If you are lifting more volume of water with the same displacement of the pulling force; then, you will need to exert a greater value of...
Sep 14, 2025
Lnewqban
reacted to
PeroK's post
in the thread
B
Effect of mass on the acceleration of an elastic pendulum?
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Like
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Is this what you are looking for? https://en.m.wikipedia.org/wiki/Elastic_pendulum
Sep 11, 2025
Lnewqban
replied to the thread
Thread No-Go plug gage allows 3 turns to enter. That's too many!
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Would this help...
Sep 10, 2025
Lnewqban
reacted to
berkeman's post
in the thread
Electrical
Unused light switch in the living room?
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How do you know it is unused? When you pull the plastic faceplate off, do you see any wires going to the switch? (Don't pull the...
Sep 10, 2025
Lnewqban
reacted to
cosmicvoid's post
in the thread
Introduction
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Hello everyone, I'm Cosmo. I'm an 18 years old student majoring in physics. I found this forum cause I was searching on Google if it's...
Sep 8, 2025
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