Kinetic Energy

Written by Jerry Ratzlaff on . Posted in Kinematics

energy PE KE MEKinetic energy, abbreviated as KE, is the energy an object possesses by virtue of its motion.  If it moves, it has kinetic energy.

 

Kinetic Energy Types

  • Electrical Energy  -  Energy stored in an electric field or transported by an electric current.
  • Mechanical Energy  -  The sum of the change in kinetic energy and potential energy generating from the force of gravity, external forces or the movement released in machine movement.
  • Radiant (electromagnetic) Energy  -  Energy transmitted without the movement of mass.
  • Sound Energy  -  Energy that we can hear.  It is a type of kinetic energy that moves through the air and other matter in the form of sound waves.
  • Wind Energy  -  The kinetic energy of air in motion.

 

Kinetic energy formula

\(\large{ KE = \frac{1}{2} \;  m \; v^2  }\)

Where:

 Units English Metric
\(\large{ KE }\) = kinetic energy \(\large{ lbf-ft }\) \(\large{J}\) 
\(\large{ m }\) = mass \(\large{lbm}\) \(\large{kg}\)
\(\large{ v }\) = velocity \(\large{\frac{ft}{sec}}\) \(\large{\frac{m}{s}}\)

 

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