advantage of lever

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• 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 — I (New American Roget s College Thesaurus) n. crowbar, pry, prize, jimmy; tool. See elevation, instrumentality, influence. II (Roget s IV) n. Syn. lifter, pry, leverage, prise, bar, pry bar, prying bar, pinch bar, crowbar, crow, handspike, arm,… …   English dictionary for students

• 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

• Mechanical advantage — is a measure of the force amplification achieved by using a tool, mechanical device or machine system. Ideally, the device preserves the input power and simply trades off forces against movement to obtain a desired amplification in the output… …   Wikipedia

• Mechanical advantage device — Beam balanced around a fulcrum A simple machine that exhibit mechanical advantage is called a mechanical advantage device e.g.: Lever: The beam shown is in static equilibrium around the fulcrum. This is due to the moment created by vector force A …   Wikipedia

• mechanical advantage — Mech. the ratio of output force to the input force applied to a mechanism. [1890 95] * * * Force amplifying effectiveness of a simple machine (lever, wedge, wheel and axle, pulley, or screw). The theoretical mechanical advantage of a system is… …   Universalium

• William Lever, 1st Viscount Leverhulme — Industrialist, philanthropist and colonialist. Life William Lever was born in 1851, in Bolton, Lancashire, England, and educated at the Bolton Church Institute. After training with his father s wholesale grocery business, in 1886 he established a …   Wikipedia

• Crane (machine) — A modern crawler type derrick crane with outriggers. The latticed boom is fitted with a jib. A crane is a type of machine, generally equipped with a hoist, wire ropes or chains, and sheaves, that can be used both to lift and lower material …   Wikipedia

• Mechanical toy — WLA nyhistorical Mechanical toy carousel mid 19th C …   Wikipedia

• Ossicles — Not to be confused with Ossicone. Ossicles Ossicles …   Wikipedia

• 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