what is conservation of energy of free falling body
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• A ball of mass (m) at a height (h) has potential energy = mgh.
• A ball falls downward height (h) decreases. So, the potential energy also decreases.
• Kinetic energy at 'h' is zero but it is increasing during falling of it.
• The sum of potential energy and Kinetic energy of ball remains the same during its fall at every point.
( K.E + P.E ) = constant.
___________________________
Law of Conservation of Energy :
Whenever energy change from one form to another form the total amount of energy remains constant.
- Energy can neither be created nor be destroyed.
- Although some energy may be wasted during conversion but the total energy of the system remains same.
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