what does pulley mean
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- pulley noun [C]. › a ​piece of ​equipment for ​moving ​heavy ​objects up or down, consisting of a ​small ​wheel over which a ​rope or ​chain ​attached to the ​object can be ​easily ​raised or ​lowered: The ​blocks of ​stone had to be ​lifted into ​position with a ​system of pulleys.
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- A pulley makes work easier by redirecting and amplifying force. It helps reverse the direction of an individual’s lifting force. As a user pulls a rope down, the pulley lifts the weight up. When two ropes and wheels are used, a pulley reduces the effort needed to lift a weight by half.
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How Does a Fixed Pulley Make Work Easier? A fixed pulley makes work easier by changing the direction of the force required to lift a load. To raise a load with a fixed pulley, a downward force is needed, which is easier than the upward force needed to lift the load directly. Continue Reading. A fixed pulley, also known as a simple pulley, does not confer any mechanical advantage.
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What's the difference between tensioner pulley and idler pulley? an idler pulley is just a pulley that you run the belt over it 's only function is to run on it own via the belt. A tensioner pulley is a pulley that makes the belt tight, with via a spring mechanism in the arm or by a bolt that loosen and lift up the tensioner and then tighten the bolt down. A tensioner is spring loaded to keep the belt tight. An idler is simply a pulley to route the belt.
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Definitions &Translations Tug(noun) a pull with the utmost effort, as in the athletic contest called tug of war; a supreme effort. Tug(noun) a sort of vehicle, used for conveying timber and heavy articles. Tug(noun) a small, powerful steamboat used to tow vessels; -- called also steam tug, tugboat, and towboat. Tug(noun) a trace, or drawing strap, of a harness. Tug(noun) an iron hook of a hoisting tub, to which a tackle is affixed.
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- So once again, a pull is a shot that starts to the left of the target, an easy way to know if you're hitting that shot is to look at your divot, see if the divot is aimed to the left, you know that's the reason it is, we've given you ways that might be causing it and three ways to fix it. Golf Videos.
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pull up Related to pull up: chin up. (po͝ol) v. pulled, pull·ing, pulls. v.tr. 1. To apply force to (something) so as to cause or tend to cause motion toward the source of the force: pulled her chair up to the table; pulled the wagon down the street. 2. To remove from a fixed position; extract: The dentist pulled the tooth. 3. To tug at; jerk or tweak: I pulled the lever until it broke.
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Hoist Terminology Sheave, running: A sheave that rotates as the load block is lifted or lowered. Side pull: The action of the hoist wire rope pulling horizontally against the grooves of the drum when the hook is not operated straight up and down and can result in an unsafe condition and/or damage to the equipment.
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pull Definition of pull. 1  transitive verb. 2  1a : to exert force upon so as to cause or tend to cause motion toward the forceb : to stretch (cooling candy) repeatedly pull taffyc : to strain abnormally pull a tendond : to hold back (a racehorse) from winninge : to work (an oar) by drawing back strongly.
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pull factor meaning, pull factor definition | English Cobuild dictionary pull factor meaning, pull factor definition | English Cobuild dictionary. pull. 1 verb When you pull something, you hold it firmly and use force in order to move it towards you or away from its previous position. They have pulled out patients' teeth unnecessarily... V n with adv.
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What is a lifting tackle? Best Answer: your wording, you are not from america, but i figured it out. lifting tackle is an overhead stationary pulley. it is for lifting heavy objects. lifting tackle is an overhead stationary pulley (pulley is a wheel) that is designed to spin with a chain or rope.
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pulled pull down, 1  to draw downward: to pull a shade down. 2  to demolish; wreck. 3  to lower; reduce. 4  Informal. to receive as a salary; earn: It wasn't long before he was pulling down more than fifty thousand a year.
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- Quick Answer. A single fixed pulley has a mechanical advantage of 1:1. Mechanical advantage, which is correlated to the usefulness of a machine, refers to the proportion of force output to force input. Force output refers to the force exerted by the machine, while force input refers to the applied force.
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pulleynoun  [ C] pulley meaning, definition, what is pulley: a piece of equipment for moving heavy objects up or down, consisting of a small wheel…. Learn more.
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Shared Flashcard Set True or False: MA of a pulley system is equal to the number of ropes that actually support the load.
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What Is a Block and Tackle Pulley System? Quick Answer. A block and tackle pulley system uses two or more pulleys together to lift heavy objects more easily. It works by distributing the weight of the object equally between all pulleys, thereby decreasing the amount of force required to lift the object.
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What's the difference between tensioner pulley and idler pulley? A tensioner pulley is mounted on the tensioner arm and keeps the serpentine belt under constant tension. An idler pulley is mounded on a solid mount and is used to align the belt with other pulleys. milton b · 7 years ago.
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Sheave A sheave (/ʃiːv/) is a pulley with a grooved wheel for holding a belt, wire rope, or rope. The grooved wheel spins inside the frame of the sheave. This allows the wire or rope to move freely minimizing wear and abrasion on cable. Sheaves can be used to redirect a cable or rope, lift loads, and transmit power. The words sheave and pulley are sometimes used interchangeably. Wireline sheave used during oil and gas operations.
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fusee fu·see. n. 1. A usually cone-shaped pulley with a spiral groove, used in a cord-or chain-winding clock to maintain even travel in the timekeeping mechanism as the force of the mainspring lessens in unwinding.2. a. A colored flare used as a warning signal for trucks and railroad trains.u·see. n. 1. A usually cone-shaped pulley with a spiral groove, used in a cord-or chain-winding clock to maintain even travel in the timekeeping mechanism as the force of the mainspring lessens in unwinding. 2.
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What Are Pulleys Used For? Pulleys can also be realigned to change the direction of the applied force. When using a pulley, certain terms are commonly used. Load, for example, is the word meant to signify the weight of an object being handled by the pulley.
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Simple Machines A pulley is a rope, belt, or chain wrapped around a wheel (grooved or smooth). Pulleys can be fixed or moveable. The chain and sprocket on your bicycle is a form of pulley. Wheel and Axle. A wheel and axle has a larger wheel (or wheels) connected by a smaller cylinder (axle) that is fastened to the wheel so that they turn together.
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Continuously variable transmission This gap width thus adjusts the gearing ratio between the motor's fixed pulley and the output shaft's variable pulley, changing speed of the chuck. A tensioner pulley is implemented in the belt transmission to take up or release the slack in the belt as the speed is altered.
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Five Common Brake Problems in Cars If your rear drums are the cause of the brake pulsation, you will feel the pulsation at this time, and the car will shake when the emergency brake is applied. If this is your problem, then the fix is to resurface the rear drums or replace them.
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PULLET The noun PULLET has 2 senses: 1. flesh of a medium-sized young chicken suitable for frying. 2. young hen usually less than a year old. Familiarity information: PULLET used as a noun is rare.he noun PULLET has 2 senses: 1. flesh of a medium-sized young chicken suitable for frying. 2. young hen usually less than a year old. Familiarity information: PULLET used as a noun is rare.
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- For a pulley or system of pulleys, the force against which one is working is called the load force.. The force input to do the work of moving the load is called the effort force.. The ratio of the load force to the effort force (#F/S#) is called the mechanical advantage. In an ideal system the mechanical advantage will be the ratio of the number of meters of rope that you need to pull past your hands in order to move the load one meter.
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Definitions &Translations Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  tug, jerk(noun) a sudden abrupt pull. 2  tugboat, tug, towboat, tower(verb) a powerful small boat designed to pull or push larger ships. 3  tug(verb) pull hard. The prisoner tugged at the chains; This movie tugs at the heart strings.