### Formula

v1

initial velocity

W

mechanical work

m

mass of the object

v2

final velocity

v1

initial velocity

W

mechanical work

m

mass of the object

v2

final velocity

In physics, work is the amount of energy transferred by a force acting through a distance in the direction of the force. According to the work-energy theorem, if one or more external forces act upon a rigid object, causing its kinetic energy to change from Ek1 to Ek2, then the mechanical work (W) done by the net force is equal to the change in kinetic energy.

W

m

v2

v1

Precision

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