pulley
Sign in to saveA pulley is a wheel on an axle or shaft enabling a taut cable or belt passing over the wheel to move and change direction, or transfer power between itself and a shaft.
AI overview
A pulley is a wheel mounted on a shaft that allows a cable or belt to run over it, changing direction or transferring power from one place to another. This simple mechanical device matters because it makes it easier to lift heavy objects and is fundamental to how many machines transfer and control movement.
AI-generated from the Wikipedia summary — may contain errors.
Key facts
- Machine.name
- Pulley
- Machine.image
- PulleyShip.JPG
- Machine.caption
- Pulleys on a ship. In this context, pulleys are normally known as blocks
- Machine.classification
- Simple machine
- Machine.industry
- Construction, transportation
- Machine.wheels
- 1
- Machine.axles
- 1
via Wikipedia infobox
Article
9 sectionsContents
- History
- Block and tackle
- Rope and pulley systems
- Method of operation
- Free body diagrams
- Belt-and-pulley systems
- See also
- References
- External links
A pulley is a wheel on an axle or shaft enabling a taut cable or belt passing over the wheel to move and change direction, or transfer power between itself and a shaft.
A pulley may have a groove or grooves between flanges around its circumference to locate the cable or belt. The drive element of a pulley system can be a rope, cable, belt, or chain.