\
  The most prestigious law school admissions discussion board in the world.
BackRefresh Options Favorite

Can anyone really explain how pulleys work? I mean not in theoretical terms

Seems like witchcraft to me.
Pungent trust fund
  11/22/25
Do you know how a lever or a screw work? Simple machines are...
Provocative charcoal dysfunction
  11/22/25
Wow, thank you for that transfer of knowledge, oh Honorable ...
Pungent trust fund
  11/22/25
Pulleys work by using a wheel and rope to multiply force and...
Provocative charcoal dysfunction
  11/22/25
(witch)
Bossy boiling water parlor
  11/22/25
...
Pungent trust fund
  11/22/25
...
Ultramarine address jap
  11/22/25
You know how water is wet? Well that’s fluid dynamics ...
Heady Giraffe Rigor
  11/22/25
...
Massive emerald hell
  11/23/25
...
appetizing halford
  11/22/25
Is it because you effectively negate the weight of gravity b...
Pungent trust fund
  11/22/25
cq. if anything it seems like a system of two pulleys would ...
bearded stead coffee pot
  11/22/25
after thinking about this, the solution is kind of obvious. ...
bearded stead coffee pot
  11/22/25
It halves the distance ergo doubles the force.
aromatic aggressive area karate
  11/22/25
He didn't say anything about compound pulleys. I think OP i...
Multi-colored stage puppy
  11/22/25
?
aromatic aggressive area karate
  11/22/25
Ever notice how every compelling explanation of a pulley wor...
Pungent trust fund
  11/22/25
it's because you're trading distance for force
Ultramarine address jap
  11/22/25
ljl
medicated new version
  11/23/25
A fixed pulley has no effect on force
Multi-colored stage puppy
  11/22/25
Unrelatedly, are pulleys a sign that God came down and inspi...
Pungent trust fund
  11/22/25
Interesting typo
Multi-colored stage puppy
  11/22/25
...
Provocative charcoal dysfunction
  11/23/25
you should buy a block and tackle from harbor freight and le...
Ultramarine address jap
  11/22/25
ooooh, i love knots too
Bipolar talented menage digit ratio
  11/22/25
...
Dashing cream multi-billionaire
  11/23/25
...
Pungent trust fund
  11/23/25
Did you not take a Physics course in college?
henna stimulating tanning salon
  11/22/25
I miss college physics. We had assigned groups and I got ass...
Ultramarine address jap
  11/22/25
They do not cover pulleys in physics class because they are ...
Spectacular Masturbator
  11/23/25
A pully reverses the direction of the stress tensor using ce...
Zippy Toaster
  11/22/25
I just watched a YouTube video of a dood restoring an old je...
adventurous internal respiration
  11/22/25
Gets good around 13:30 https://youtu.be/gPOXLajvdds?si=u7...
adventurous internal respiration
  11/22/25
Was sure this was an NSAM thread. Not surprised it attracted...
Translucent generalized bond crackhouse
  11/22/25
Its all about the displacment of gravity. If you put a coupl...
Bipolar talented menage digit ratio
  11/22/25
...
Dashing cream multi-billionaire
  11/23/25
this is dumber than the fish and lightning thread, but just ...
appetizing halford
  11/22/25
Pretty sure the average board understanding is zero or near ...
aromatic aggressive area karate
  11/23/25
Aren’t pulleys similar to Gears.
Thriller Point French Chef
  11/23/25
...
Pungent trust fund
  11/24/25


Poast new message in this thread



Reply Favorite

Date: November 22nd, 2025 8:03 PM
Author: Pungent trust fund

Seems like witchcraft to me.

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452778)



Reply Favorite

Date: November 22nd, 2025 8:05 PM
Author: Provocative charcoal dysfunction

Do you know how a lever or a screw work? Simple machines are just that, simple.

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452779)



Reply Favorite

Date: November 22nd, 2025 8:08 PM
Author: Pungent trust fund

Wow, thank you for that transfer of knowledge, oh Honorable Knowed One!

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452784)



Reply Favorite

Date: November 22nd, 2025 8:19 PM
Author: Provocative charcoal dysfunction

Pulleys work by using a wheel and rope to multiply force and change the direction of a force, making it easier to lift heavy objects. A single, fixed pulley can change the direction of force, while a system of multiple pulleys (called a block-and-tackle) provides mechanical advantage by distributing the weight across more ropes, requiring less force to lift the load, but over a longer distance.

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452810)



Reply Favorite

Date: November 22nd, 2025 8:20 PM
Author: Bossy boiling water parlor

(witch)

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452815)



Reply Favorite

Date: November 22nd, 2025 8:21 PM
Author: Pungent trust fund



(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452823)



Reply Favorite

Date: November 22nd, 2025 9:21 PM
Author: Ultramarine address jap



(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452948)



Reply Favorite

Date: November 22nd, 2025 11:09 PM
Author: Heady Giraffe Rigor

You know how water is wet? Well that’s fluid dynamics chief

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453151)



Reply Favorite

Date: November 23rd, 2025 12:03 AM
Author: Massive emerald hell



(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453220)



Reply Favorite

Date: November 22nd, 2025 11:20 PM
Author: appetizing halford



(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453167)



Reply Favorite

Date: November 22nd, 2025 8:20 PM
Author: Pungent trust fund

Is it because you effectively negate the weight of gravity by transferring the load from up to down?

But then why does the effort required to lift the load decrease with every additional pulley system?

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452818)



Reply Favorite

Date: November 22nd, 2025 8:33 PM
Author: bearded stead coffee pot

cq. if anything it seems like a system of two pulleys would “unreverse” the gravity, thereby rendering it useless. kind of like a “double negative” for the wordcels out there.

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452851)



Reply Favorite

Date: November 22nd, 2025 11:31 PM
Author: bearded stead coffee pot

after thinking about this, the solution is kind of obvious. a dual-pulley system would have the second pulley upside-down, thus reversing the gravity twofold. in this system, the rope isn’t used to exert force but rather to keep the load from floating away.

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453187)



Reply Favorite

Date: November 22nd, 2025 8:35 PM
Author: aromatic aggressive area karate

It halves the distance ergo doubles the force.

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452855)



Reply Favorite

Date: November 22nd, 2025 8:39 PM
Author: Multi-colored stage puppy

He didn't say anything about compound pulleys. I think OP is genuinely wondering why a rope on a wheel moves when you pull it.

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452864)



Reply Favorite

Date: November 22nd, 2025 8:56 PM
Author: aromatic aggressive area karate

?

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452899)



Reply Favorite

Date: November 22nd, 2025 9:00 PM
Author: Pungent trust fund

Ever notice how every compelling explanation of a pulley working involves a demonstration of a pulley working?

That’s not by accident.

How do they work!?

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452921)



Reply Favorite

Date: November 22nd, 2025 9:22 PM
Author: Ultramarine address jap

it's because you're trading distance for force

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452950)



Reply Favorite

Date: November 23rd, 2025 4:30 PM
Author: medicated new version

ljl

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49454445)



Reply Favorite

Date: November 22nd, 2025 9:31 PM
Author: Multi-colored stage puppy

A fixed pulley has no effect on force

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452968)



Reply Favorite

Date: November 22nd, 2025 9:03 PM
Author: Pungent trust fund

Unrelatedly, are pulleys a sign that God came down and inspired us by showing through one of the profits that this is a pulley?

And if that happened millennia ago, is it still happening now? Are today’s rich and famous really prophets chosen by God? Will Elon Musk and Sam Altman lead us to Nirvana?

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452927)



Reply Favorite

Date: November 22nd, 2025 9:33 PM
Author: Multi-colored stage puppy

Interesting typo

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452972)



Reply Favorite

Date: November 23rd, 2025 5:26 AM
Author: Provocative charcoal dysfunction



(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453345)



Reply Favorite

Date: November 22nd, 2025 9:37 PM
Author: Ultramarine address jap

you should buy a block and tackle from harbor freight and learn this shit

you should also buy some rope and learn some knots. this is my favorite knot that I use multiple times per week: https://www.animatedknots.com/tumble-hitch-knot

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452982)



Reply Favorite

Date: November 22nd, 2025 11:28 PM
Author: Bipolar talented menage digit ratio

ooooh, i love knots too

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453183)



Reply Favorite

Date: November 23rd, 2025 5:30 AM
Author: Dashing cream multi-billionaire



(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453347)



Reply Favorite

Date: November 23rd, 2025 5:07 PM
Author: Pungent trust fund



(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49454537)



Reply Favorite

Date: November 22nd, 2025 9:40 PM
Author: henna stimulating tanning salon

Did you not take a Physics course in college?

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49452988)



Reply Favorite

Date: November 22nd, 2025 9:48 PM
Author: Ultramarine address jap

I miss college physics. We had assigned groups and I got assigned to the Hot Girl's group (there was only one in a class of 200). I took care of all the work in the class and wound up dating her for a year.

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453016)



Reply Favorite

Date: November 23rd, 2025 4:41 PM
Author: Spectacular Masturbator

They do not cover pulleys in physics class because they are trying to keep us away from the Secret Truth.

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49454477)



Reply Favorite

Date: November 22nd, 2025 9:46 PM
Author: Zippy Toaster

A pully reverses the direction of the stress tensor using centripetal force. (Or maybe it's centrifugal force. Pretty sure it's one of those.)

If you get really deep into the physics, the mass of the pully actually exerts a geometrodynamical force that acts upon the field containing the rope.

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453007)



Reply Favorite

Date: November 22nd, 2025 9:49 PM
Author: adventurous internal respiration

I just watched a YouTube video of a dood restoring an old jeep, and when he sprayed lube into the stuck alternator he also sprayed it all over the belt. Intuitively I thought that was a mistake. Seems like you'd want more friction there between the belt and the pulley

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453020)



Reply Favorite

Date: November 22nd, 2025 10:55 PM
Author: adventurous internal respiration

Gets good around 13:30

https://youtu.be/gPOXLajvdds?si=u7ddMQQQF43ptR5H

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453127)



Reply Favorite

Date: November 22nd, 2025 10:58 PM
Author: Translucent generalized bond crackhouse

Was sure this was an NSAM thread. Not surprised it attracted his attention.

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453130)



Reply Favorite

Date: November 22nd, 2025 11:25 PM
Author: Bipolar talented menage digit ratio

Its all about the displacment of gravity. If you put a couple pulleys together, it confuses the gravity molecules and they stop pushing down on the object you are trying to move, hence, the object stops feeling heavy and you can build things with large blocks such as pyramids, and also places like Nan Madol. The more pulleys you place together, the more confused the molecules becomes, its rather simple akshully

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453176)



Reply Favorite

Date: November 23rd, 2025 5:29 AM
Author: Dashing cream multi-billionaire



(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453346)



Reply Favorite

Date: November 22nd, 2025 11:36 PM
Author: appetizing halford

this is dumber than the fish and lightning thread, but just the same, i am confident that oldhlsdude could explain this at a level that is higher than average board understanding

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453190)



Reply Favorite

Date: November 23rd, 2025 1:59 AM
Author: aromatic aggressive area karate

Pretty sure the average board understanding is zero or near so as a result that’s not hard.

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49453294)



Reply Favorite

Date: November 23rd, 2025 4:43 PM
Author: Thriller Point French Chef

Aren’t pulleys similar to Gears.

(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49454483)



Reply Favorite

Date: November 24th, 2025 3:58 AM
Author: Pungent trust fund



(http://www.autoadmit.com/thread.php?thread_id=5801213&forum_id=2Elisa#49455393)