Question

Define Kinetic Energy. Write expression for Kinetic Energy.A force of 12N acts on an

object of mass of 4kg in the state of rest for 3s. Calculate the kinetic energy acquired by the
object.

Answer please​

Answer 1

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Answer 2

Kinetic energy of an object, i.e., Ek=12mυ2 Where m = mass of the object and υ = uniform velocity of the object.

It is the energy possessed by a body due to its motion. Kinetic energy of an object increases with its speed. Kinetic energy of body moving with a certain velocity = work done on it to make it acquire that velocity.