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Simple machine

en.wikipedia.org/wiki/Simple_machine

A simple machine is a mechanical device that changes the direction or magnitude of a force. ... The mechanical advantage of a compound machine is just the product of the mechanical advantages of the...

What is the mechanical advantage of a machine which only changes ...

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What force causes a machines mechanical advantage to not be as great as the ideal ... A machine that changes only the direction of a force has a mechanical ...

Mechanical advantage and efficiency - Slideshare

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Aug 15, 2010 ... Mechanical Advantage and Efficiency of Machines. ... </li></ul><ul><li>If only the direction changes, the input force will be the same as the output force. ... a machine that has an input force of 15 N and an output force of 60 N.

Mechanical Advantage ( Read ) | Physical Science | CK-12 Foundation

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Nov 1, 2012 ... Mechanical advantage is the ratio of the output force to the input force, so it can be ... A: The ramp has an ideal mechanical advantage of: ... Still other machines change the direction of the force, with or without also increasing its ... stays the same (changes direction only), stays the same, =1, flagpole pulley ...

Simple machine worksheet

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What is true about the mechanical advantage of a simple machine that increases ... advantage of a machine that changes only the direction of the applied force? c. If a machine has an input force of 40 N and an output force of 80 N, what is its ...

Simple Machines - James Brennan

jamesbrennan.org/physics/notes/Force/simple_machines.htm

Jul 8, 2004 ... A machine that doubles the force has a mechanical advantage of 2. ... A fixed pulley only changes the direction of the force, allowing you to ...

machine: Mechanical Advantage and Efficiency of Machines

www.infoplease.com/encyclopedia/science/machine-mechanical-advantage-efficiency-machines.html

A machine with an efficiency of 20% has an output only one fifth of its ... fixed pulley merely changes the direction of the applied force; the pulley may make it ...

Mechanical Advantage and Simple Machines – FREE Mechanical ...

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Mechanical Advantage and Simple Machines – Encyclopedia.com has ... advantage—or it changes the distance or direction across which that force can be operated. ... In this case, mechanical advantage could only be achieved if the screw ...

Machines-:- Flash cards by cueFlash

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What is the mechanical advantage of a machine that increases force? ... mechanical advantage of a machine that changes only the direction over which a force acts? MA = 1 .... A machine used to lift a crate of apples has an efficiency of 65 %.

Simple Machines

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Energy – ability to cause change; can change the speed, direction, shape, or temperature of an ... Effort – effort is the force placed on the simple machine to move the load. Also called .... apply a force over a large distance, and the load itself will move only a short distance ... o This lever system has no mechanical advantage.

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Flashcards about PS Ch 5 Rev - StudyStack

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A machine that changes only the direction of a force has a mechanical advantage of ... A lever with a mechanical advantage greater than one is used to ____.

Simple Machines - University of Arkansas

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transferring a force from one place to another,; changing the direction of a force, ... an output force of 100 pounds, the machine has a mechanical advantage (MA) of 10. ... A first-class lever always changes the direction of force (I.e. a downward  ...

Simple Machine Questions and Answers How Machines Do Work ...

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1, because it only changes the direction of a force. 7. Name a machine that multiplies the distance over ... Which ramp has the greatest mechanical advantage?