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friction block

См. также в других словарях:

  • Friction — For other uses, see Friction (disambiguation). Classical mechanics …   Wikipedia

  • Block and tackle — A block and tackle [ Tackle can be pronEng|ˈteɪkəl in this usage.] is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift or pull heavy loads. TOC Overview Although used in many situations, they are… …   Wikipedia

  • block and tackle — the ropes or chains and blocks used in a hoisting tackle. [1830 40] * * * Combination of pulleys with a rope or cable, commonly used to augment pulling force. Two or more of the pulleys are attached to a fixed block, and the remaining pulleys are …   Universalium

  • Block cellular automaton — The Margolus neighborhood for a two dimensional block cellular automaton. The partition of the cells alternates between the set of 2 × 2 blocks indicated by the solid blue lines, and the set of blocks indicated by the dashed red lines. A block… …   Wikipedia

  • Block stacking problem — In statics, the block stacking problem (also the book stacking problem, or a number of other similar terms) is the following puzzle:Place N rigid rectangular blocks in a stable stack on a table edge in such a way as to maximize the overhang.The… …   Wikipedia

  • block brake — noun : a friction brake consisting of one or more shoes (as wooden blocks) to be pressed against a wheel or other moving part …   Useful english dictionary

  • Coefficient of friction — The coefficient of friction is a dimensionless quantity symbolized by the Greek letter μ and is used to approximate the force of friction. Friction can be viewed, again as an approximation, as being of two primary types, static or kinetic . The… …   Wikipedia

  • Thrust block — A thrust block is a specialised form of thrust bearing used in ships, to resist the thrust of the propellor shaft and transmit it to the hull. Early thrust boxes Early screw propelled steamships used a thrust block or thrust box composed of… …   Wikipedia

  • brake block — noun 1. : a device for checking by friction the speed of a rope (as in a hoist) 2. : the part of a brake that holds the shoe * * * brake block noun A block pressed against a wheel as a brake • • • Main Entry: ↑brake * * * n. a block of hard… …   Useful english dictionary

  • Brake block — Brake Brake (br[=a]k), n. [OE. brake; cf. LG. brake an instrument for breaking flax, G. breche, fr. the root of E. break. See Break, v. t., and cf. {Breach}.] 1. An instrument or machine to break or bruise the woody part of flax or hemp so that… …   The Collaborative International Dictionary of English

  • brake block — noun a block of hard material pressed against the rim of a wheel to slow it down by friction …   English new terms dictionary

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