pulley

"Here boy, affix this pulley to that far tree.

Pulling my truck from the mud, the cable came off the pulley.

Or you could have a pulley with a fifty-pound weight at each end.

This damages the pulley and bends the axle, rendering the winch useless.

..."It's a pulley system - you throw everyone over the cliff and let the rope take you higher.

Or double the height, though that would be somewhat harder; you would need some kind of pulley arrangement.

I replaced it with a new come-along from a different brand, and again the cable hopped the pulley.

A pulley system would save manpower but manpower wasn't the limiting factor last night.

I prefer to envision one having a house-boy, or stream-boy, if-you-will that you can send with the rope and pulley.

If the police says holes were drilled in the bathroom walls to bolt in a pulley and subsequently no holes are seen, then something is very wrong.

A new gasoline engine might be $10k, but 99% of the time you just replace a belt or a pulley or a seal, or take off the top and do some machining for a few thousand.

For example tractors have convex pulley systems that allow leather belts to self-center despite not being perfectly aligned.

Actually a pulley might be slower when you think about it, lets say you have 10 guys trudging up the stairs each with 4gal in a bucket, that is 40gallons going up stairs, as opposed to one 4gallon bucket being pulled up, then emptied, then dropped down, then pulled up.

Right-- in the musculoskeletal system there are mechanisms that operate approximately like pulleys; so I think you can say "a person is a neural net" in exactly the same sense as you can say "a person is a pulley.

For example, a pulley made of unobtainium might be massless and frictionless; however, if used in a nuclear rocket, unobtainium would be light, strong at high temperatures, and resistant to radiation damage.