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Levers can be used to exert a large force over a small distance at one end by exerting only a small force ... Mechanical advantage may be greater or less than 1.

Teaching Simple Machines


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.

Levers That Lift - Lesson - www.TeachEngineering.org


Identify how the lever, pulley and wheel-and-axle are used in many familiar .... Most simple machines provide a mechanical advantage greater than 1 (MA > 1) ...

A lever with a mechanical advantage greater than one is used ...


Nov 8, 2007 ... Best Answer: A) The arm on the other side of the fulcrum would be long than the arm you apply the force to to have a mechanical advantage ...

Mechanical Advantage in Machines by Ron Kurtus - Succeed in ...


Nov 5, 2015 ... Explanation of how the Mechanical Advantage in Machines is used. ... Mechanical advantage (MA) means that the output of the machine is greater than the input. ... Lever configuration provides force mechanical advantage ... A catapult moves a large rock a distance of 5 meters in 1 second before releasing ...

A lever with a mechanical advantage greater than one is used to


Is it possible for a first or second class lever to have a mechanical advantage less than one or for a third class lever to have a mechanical advantage greater than ...

Mousetrap Vehicles | Science Concepts | Mechanical Advantage


Feb 5, 2012 ... A machine can be used to reduce the input force that is needed to lift an object. ... A mousetrap would be considered a third-class lever. ... When the mechanical advantage is greater than 1, the input force (applied force) is ...

Work and Simple Machines - Science Education at Jefferson Lab


1. Work and Simple Machines. 2. What is work? In science, the word work .... If the output force is bigger than the input force, a machine has a mechanical advantage greater than one. ... In use, a lever has both an effort (or applied) force and a load (resistant force). .... How much power is used if this work is done in 20 sec?

Mechanical Advantage of Simple Machines - CPO Science


While the output work of a simple machine can never be greater than the input work, ... Most of the time, levers are used to multiply force to lift heavy objects. ... A mechanical advantage less than one doesn't mean a machine isn't useful. It just.

Simple Machines - Science Olympiad Student Center Wiki - Scioly.org


Oct 3, 2015 ... 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 force, ... If a machine has an IMA of greater than 1, then the load is being moved less of a .... Inclined planes are used to raise masses to a higher elevation by ...

Popular Q&A
Q: What is a lever with a mechanical advantage greater than 1 is use...
A: Any job that needs more force to it than you can provide. Examples:- Lift a rock.- Open a crate.- Crack a walnut.- Pull a nail out of a board.- Ride a see-saw w... Read More »
Source: www.answers.com
Q: What is a lever with a mechanical advantage greater than 1 used f...
A: A lever with a mechanical advantage greater than one is increase distance! Anymore questions? Read More »
Source: www.chacha.com
Q: Why the Mechanical advantage on the second class lever is always ...
A: because effort arm is longer than the load arm. Read More »
Source: wiki.answers.com
Q: Why is the mechanical advantage of second class levers is always ...
A: Because the load is always between the effort and the fulcrum, so the effort arm is always longer than the load arm. Read More »
Source: wiki.answers.com
Q: How would you set up a lever so that it has a mechanical advantag...
A: Move the fulcrum point so it is more than halfway toward the object being moved. Read More »
Source: www.answers.com