Topic: Explaining Friction
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Answers to Common Questions
How can the work-kinetic energy theorem explain why the force of ...
Work = change in Kinetic Energy Because friction acts in the opposite direction of the motion of an object, kinetic energy must be decreased in order to maintain the above equation. Friction opposes motion. Friction converts the kinetic ene... Read More »
Source: http://wiki.answers.com/Q/How_can_the_work-kinetic_energy_theorem...
How air friction affects motion of objects like cars and bicycles...
Air resists the motion of an object , the faster it is the more fricition there is . Aerodynamics is an independent part of science where people study the effect of air on objects in motion , thus the creation of more inclined surfaces and ... Read More »
Source: http://wiki.answers.com/Q/How_air_friction_affects_motion_of_obje...
What is friction? Explain charging by friction?
by rubbing a cloth on a metal rod the cloth will "steal" electrons off the rod and thus gain a net negative charge on the cloth, and a net positive charge on the rod. this will create an electric field, and also an attraction between the tw... Read More »
Source: http://answers.yahoo.com/question/index?qid=20100205102317AAx7axj
More Common Questions
Answers to Other Common Questions
No force is required to maintain motion at a constant speed in a staright line, if there is no friction or other dissipative force working against it.
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Source: http://wiki.answers.com/Q/A_4kg_object_is_moving_across_a_frictio...
Imagine friction didn't exist on the surface of a planet. As soon as you stood up, you'd be slipping as if it were the slipperiest of ice. Let's say you were sitting on a box. With the slightest force bumping in to you, you'd start coasting...
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Source: http://answers.yahoo.com/question/index?qid=20111029231223AAtYBDm
Why do you have to explain anything? Needs are needs.
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Source: http://answers.yahoo.com/question/index?qid=20070604131540AAA0kKK
Wow, without friction we'd be playing different games, that's for sure. Let's see, runners use the friction between their shoes and the track to impart forward motion to their bodies. Otherwise it would be like running on ice. Soccer player...
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Source: http://answers.yahoo.com/question/index?qid=20081023101309AAM1UgQ
Friction is the force resisting the relative motion of two surfaces in contact or a surface in contact with a fluid (e.g. air on an aircraft or water in a pipe). It is not a fundamental force, as it is derived from electromagnetic forces be...
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Source: http://answers.yahoo.com/question/index?qid=20080820025528AAjCe2o
Surface area in contact Co-efficient of friction (which is a constant for a prticular type of material) Normal reaction of surfaces(When a book is lying on a table, reaction of table's surface to the weight of the book is called normal reac...
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Source: http://answers.yahoo.com/question/index?qid=20060920202904AAkd0tn
Umm. Try asking a coherent question. It makes it easier to answer. For example, what kind of friction. what ratio. what does this have to do with energy conservation. You know that sort of stuff.
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Source: http://answers.yahoo.com/question/index?qid=20100302172631AApS0Vg
