Zip line
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A zip-line, zip line, zip-wire, flying fox, or death slide is a pulley suspended on a cable, usually made of stainless steel, mounted on a slope. It is designed to enable cargo or a person propelled b
A person on a zip-line
Zip-lining in Costa Rica, January 2005
Zip-line across river chasm in Ladakh, India
Flying fox at Gungahlin, Canberra, Australia
Pulley
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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.
Zip line
…A zip-line, zip line, zip-wire, flying fox, or death slide is a pulley suspended on a cable, usually made of stainless steel, mounted on a slope. It is designed to enable cargo or a person propelled by gravity to travel…
Pulleys on a ship. In this context, pulleys are normally known as blocks
Pulley in oil derrick
A hoist using the compound pulley system yielding an advantage of 4. The single fixed pulley is installed on the hoist. The two movable pulleys (joined) are attached to the hook. One end of the rope is attached to the crane frame, another to the winch.
A double tackle has dual pulleys in both the fixed and moving blocks with four rope parts supporting the load W.