The effect of air resistance is ignored in this analysis to simplify the scenario and focus on the conservation of mechanical energy, where the total mechanical energy remains constant.
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As the potential energy decreases during free fall, the kinetic energy increases by an equal amount. This indicates that the decrease in potential energy is converted into kinetic energy.
During the free fall of an object, the potential energy decreases as the height of the object decreases.
The total mechanical energy of an object in free fall is the sum of its kinetic energy and potential energy.
Just before the object reaches the ground, the height (h) is zero, so the potential energy is zero. At this point, the velocity (v) is at its maximum, so the kinetic energy is at its highest. The total energy at ...