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Sling (rigging) – Rope, webbing, wire or chain used to support a load for lifting; Rope splicing – Semi-permanent joint between two ropes; Tackle – System of two or more pulleys and a rope or cable; Tirfor – Device for pulling cable; Tugger (rigging) Turnbuckle – Device for adjusting the tension or length of ropes or cables; Turning block
Marlinspike derives from the practice of "marling", winding small diameter twine called marline around larger ropes to form protective whippings. [1] The long-billed fish marlin is thought to be named after the marlinspike. [2] Marlin spike gets its name from the small cord called marlin, which is typically tarred and used for the serving of rope.
Consider the set of pulleys that form the moving block and the parts of the rope that support this block. If there are n of these parts of the rope supporting the load F B, then a force balance on the moving block shows that the tension in each of the parts of the rope must be F B /n. This means the input force on the rope is F A =F B /n.
A swing is a seat or platform, suspended from chains, ropes, or bars, on which one or more people can swing back and forth for enjoyment or relaxation. Swings are a common piece of equipment at children's playgrounds and may also be found in yards or gardens, on porches, inside homes (for example, the Indian oonjal ), or as freestanding public ...
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Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.
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