Let the initial velocity 'u' is zero, as the object was at rest before force is applied to it. Now, after putting the value of a, we have d ( mass x acceleration x displacement)Īs per the third equation of motion, the acceleration is given by So, after putting the value of f, we have For example, a body of mass 'm' is pushed by applying force 'f' and it covers a distance 'd' on a surface, this the work done on the object makes it move and due to movement it possesses kinetic energy, so work done in this case, is equal to kinetic energy or can be used to derive kinetic energy equation. The kinetic energy equation or formula can be derived from the work done (w) by a force (f) on an object.
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