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The peg system is commonly used by Mental Athletes for memory competitions for events like card memorization as well as digit memorization. [3] The peg system has also been applied in a classroom with learning disabled students. The students that used the peg system performed significantly better than the control in both immediate and delayed ...
Two intermeshing spur gears rotating at different velocity due to differing gear ratio. A gear [1] [2] or gearwheel [3] [4] [5] is a rotating machine part typically used to transmit rotational motion and/or torque by means of a series of teeth that engage with compatible teeth of another gear or other part.
Such factors as appearance, weight, tradition and simplicity are cited as justification, despite issues with friction pegs slipping out of tune, coming loose or jamming. In the early 2000s, tuning pegs were introduced with planetary gearing inside a friction-peg shaped casing that can be fitted to an instrument without physical alterations.
A tapered peg is simply a smooth peg with a string wound around it. The tension of the string is controlled by turning the peg, and the peg is held in place by friction in its hole (in contrast to tuning machines, below). A properly working peg will turn easily and hold reliably, that is, it will neither stick nor slip.
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Floating (floating and free floating) Soft pegs ( conventional peg , stabilized arrangement , crawling peg , crawl-like arrangement , pegged exchange rate within horizontal bands ) Hard pegs ( no separate legal tender , currency board )
Allylic strain – energetics related to rotation about the single bond between an sp 2 carbon and an sp 3 carbon. Atropisomerism – due to restricted rotation about a bond. Folding, including the secondary and tertiary structure of biopolymers (nucleic acids and proteins). [11] Akamptisomerism – due to restricted inversion of a bond angle.