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apply a lever

См. также в других словарях:

  • lever — /lev euhr, lee veuhr/, n. 1. Mech. a rigid bar that pivots about one point and that is used to move an object at a second point by a force applied at a third. Cf. machine (def. 4b). 2. a means or agency of persuading or of achieving an end:… …   Universalium

  • lever — /ˈlivə / (say leevuh) noun 1. a bar or rigid piece acted upon at different points by two forces, as a voluntarily applied force (the power) and a resisting force (the weight), which generally tend to rotate it in opposite directions about a fixed …  

  • Lever — In physics, a lever (from French lever , to raise , c.f. a levant ) is a rigid object that is used with an appropriate fulcrum or point to multiply the mechanical force that can be applied to another object.This is also termed mechanical… …   Wikipedia

  • lever rig —   n.    any device which utilizes a fulcrum with a long bar or pole as a means to apply pressure while drilling …   Locksmith dictionary

  • Compound lever — Nail clippers are a simple form of compound lever The compound lever is a simple machine operating on the premise that the resistance from one lever in a system of levers will act as power for the next, and thus the applied force will be… …   Wikipedia

  • purchase — purchaser, n. /perr cheuhs/, v., purchased, purchasing, n. v.t. 1. to acquire by the payment of money or its equivalent; buy. 2. to acquire by effort, sacrifice, flattery, etc. 3. to influence by a bribe. 4. to be sufficient to buy: Twenty… …   Universalium

  • purchase — pur•chase [[t]ˈpɜr tʃəs[/t]] v. chased, chas•ing, n. 1) to acquire by the payment of money or its equivalent; buy 2) to acquire by effort, sacrifice, flattery, etc 3) to influence by a bribe 4) to be sufficient to buy: Ten dollars will purchase… …   From formal English to slang

  • Bicycle brake — Animation of a single pivot side pull calliper brake for the rear wheel of a steel framed road bike. A bicycle brake is used to slow down or stop a bicycle. There have been various types of brake used throughout history, and several are still in… …   Wikipedia

  • Fishing reel — A spinning reel A fishing reel is a cylindrical device attached to a fishing rod used in winding the line .[1] Modern fishing reels usually have fittings which make it easier to retrieve the line and deploy ( cast ) it for better accuracy or… …   Wikipedia

  • Hand brake — In cars, the hand brake (also known as the emergency brake, e brake, park brake, slide stick or parking brake) is a latching brake usually used to keep the car stationary. Automobile e brakes usually consist of a cable (usually adjustable for… …   Wikipedia

  • Bicycle brake systems — are used to slow down, or brake a bicycle. There have been various types through history, and several are still in use today.HistoryEarly bicycles such as the high wheeled penny farthing bikes were fitted with spoon brakes. As they were fixed… …   Wikipedia

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