What is work energy theoram

1.	What is work energy theoram
Answer» According to Work energy theorem,Work done by all the forces = Change in Kinetic EnergyWg + WN + Wf =Kf – KiWhere, Wg = work done by gravityWN = work done by normal forceWf = work done by frictionKf = final kinetic energyKi = initial kinetic energy

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