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en.wikipedia.org/wiki/Mechanical_advantage

Mechanical advantage is a measure of the force amplification achieved by using a tool, ... The lever operates by applying forces at different distances from the fulcrum, ... (point A) is greater than the distance b from fulcrum to where the output force is .... belt drives the pitch radius of the input and output pulleys must be used.

www2.phy.ilstu.edu/pte/489.01content/simple_machines/simple_machines.html

While machines can provide a mechanical advantage of greater than 1.0 ... to the work it receives, because energy used up by friction is quite small. ... The IMA of a lever can be less than or greater than 1 depending on the class of the lever.

www.answers.com/Q/A_lever_with_a_mechanical_advantage_greater_than_one_is_used_to

A mechanical advantage greater than one means that you have to put less effort into the system than if you had to do the work directly. Usually this is by ...

www.ck12.org/book/ck-12-physical-science-for-middle-school/r1/section/15.3

Jul 3, 2017 ... inclined plane; lever; pulley; screw; wedge; wheel and axle ... On the other hand, the output force is greater than the input force because it is applied ... plane, the ideal mechanical advantage of an inclined plane is always greater than 1. .... Where is the fulcrum of the hammer when it is used in this way?

www.teachengineering.org/lessons/view/cub_simp_machines_lesson03

Apr 26, 2017 ... Students are introduced to three of the six simple machines used by many ... Discuss the mechanical advantage of a lever, pulley and .... Most simple machines provide a mechanical advantage greater than 1 (MA > 1) so that ...

www.ck12.org/physical-science/Mechanical-Advantage-in-Physical-Science/lesson/Mechanical-Advantage-MS-PS

Nov 1, 2012 ... The ideal mechanical advantage is always greater than the actual mechanical advantage because all ... It can be used to raise an object off the ground. ... What is the mechanical advantage of the lever in question 1?

www.studystack.com/flashcard-1107609

A device that does work with only one movement and changes the size or direction of a ... A lever with a mechanical advantage greater than one is used to ____.

www.springvalley.k12.wi.us/html/hillerenn/documents/C-12notes.ppt

The force used in this equation is the force in the direction of motion. ... Multiplying Force (mechanical advantage greater than 1) ... Example: a pulley, a lever.

scioly.org/wiki/index.php/Simple_Machines

Jul 16, 2017 ... 2.9.1 Lever; 2.9.2 Pulley; 2.9.3 Inclined Plane; 2.9.4 Wheel and Axle; 2.9.5 Wedge ... Mechanical advantage is the ratio of the output force to the input ... If a machine has an IMA of greater than 1, then the load is being .... Inclined planes have been used by people since prehistoric times, to lift heavy objects.

ahs.arabcityschools.org/ourpages/auto/2011/10/6/38777059/study%20guide%20physical%20science%20chapter%205%20test.doc

Oct 6, 2011 ... ____ 1. Actual mechanical advantage is determined with the ... The longer arm of a lever with a mechanical advantage greater than 1 is the effort arm. ... 12. When a machine is used to perform a task, work output is always ...