Mechanics
Kinetic Energy
Energy possessed by an object due to its motion.
Variables
KEJ
Kinetic energy
Energy of motion
mkg
Mass
Mass of object
vm/s
Velocity
Speed of object
Derivation
From work-energy theorem: W = ∫F dx = ½mv².
Your notes
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Common questions
What is the Kinetic Energy formula?
Kinetic Energy is written KE = 1/2mv². Energy possessed by an object due to its motion. It belongs to Mechanics, under Work & Energy.
What are the units in KE = 1/2mv²?
In SI units, KE is kinetic energy, measured in kg·m²/s²; m is mass, measured in kg; v is velocity, measured in m/s.
How is the Kinetic Energy formula derived?
From work-energy theorem: W = ∫F dx = ½mv². The result is KE = 1/2mv².