Construction & Infrastructure
Block and tackle
A block and tackle runs a rope through multiple pulleys to reduce the effort needed to lift a load. The supporting rope sections share the load, trading a longer pulling distance for mechanical advantage.
About this artifact
A block and tackle runs a rope through multiple pulleys to reduce the effort needed to lift a load. The supporting rope sections share the load, trading a longer pulling distance for mechanical advantage.
Sources & image credits
Historical photograph, illustration or documented physical example; the source caption identifies the depicted object.
Image: PulleyShip.JPG
Creator: GK Bloemsma
License: CC BY-SA 3.0
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