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5. TRANSFORMATION OF ENERGY
• The conservation of energy principle
states that energy can neither be
destroyed nor created. Instead , energy
just transforms from one form into
another.
• So what exactly is energy
transformation?- energy transformation
is defined as the process of changing
energy from one form to another.
6. * EXAMPLES
• The food eaten by the runner as
chemical energy .
• While running , the chemical energy
gets transfer to mechanical energy and
some part of energy gets converted
into heat energy
7. • When we use convex lens to collect
sunlight on a paper , the lens
concentrates the entire light energy at
a single point of paper . This light
energy then gets converted into energy
resulting in burning of paper.
8. • When a fast moving cricket ball strikes
the stationary stumps , the energy in
the ball gets transfer to the stationary
stumps . As a result the stumps gains
kinetic energy and get displaced.
9. LAW OF CONSERVATION OF ENERGY
• Energy can neither be created nor destroyed . It can be converted from one form to
another . Thus, the total amount of energy in the universe remains constant .
