Question

state and expain with example the law of conservation of energy

Answer 1

it states that the total energy of an isolated system remains constant . it is said to be conserved over time. In other words, this law means that energy can neither be created nor destroyed; rather, it can only be transformed from one form to another.

Answer 2

Law of conservation of energy States :- "Energy can only be transformed from one form to another it can neither be created nor destroyed"...
"The total energy before and after transformation always remains same"......
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Example- 1.)- Conservation of energy during free fall of a body:-
Let an object of mass.....(in the image)
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Now in the image after PE=mg(h-x)
It's: =mgh-mgx
ME=KE+PE
= mgx+mgh-mgx
Mgx will be cancelled out as one is negative and one is positive....
then; ME=mgh...
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CONCLUSION:- Thus, we can say that energy at all points are same and remains conserved‼
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