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What exactly is kinetic energy, if it is in the same units as work? What is the difference between the two?
 one year ago
 one year ago
What exactly is kinetic energy, if it is in the same units as work? What is the difference between the two?
 one year ago
 one year ago

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VincentLyon.FrBest ResponseYou've already chosen the best response.0
Kinetic energy is a quantity possessed by the body, due to its velocity. It is always positive. Work is in an exchange term that will affect the KE of the body. Work can be a positive transfer and it will add KE to the body. Work can be a negative transfer that will take KE from the body. It's a bit like your mass: it is always positive, but it can increase with positive intakes of food or decrease with body waste disposal (incl. breathing).
 one year ago

MahdiSalmanBest ResponseYou've already chosen the best response.0
you can calculate them by : Kinetic energy :\[k=(1/2)*m*v^2\] m=mass(Kg) v=velocity(meter/second) Work : \[W= F.d= F*d*\cos \theta\] d=distance(meter) F=Force(Newton) Yes they are same in unit, they are both Joule, The difference is clear I think ... ! Work is work and Energy is the ablity to do a work. Did you got it ... ?! I'll be happy to answer, if you have any questions ... ! ;)
 one year ago

MahdiSalmanBest ResponseYou've already chosen the best response.0
and \[\theta \] is the angel between the force and distance vectors ...
 one year ago
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