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2015-01-29T22:58:58+08:00
Energy is the ability and strength to do active physical things and the feeling that you are full ofphysical power and life
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2015-01-30T11:59:57+08:00

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Energy is defined as the ability or the capacity to do work. We use energy to do work and make all movements. When we eat, our bodies transform the food into energy to do work. When we run or walk or do some work, we ‘burn’ energy in our bodies. Cars, planes, trolleys, boats, and machinery also transform energy into work. Work means moving or lifting something, warming or lighting something. There are many sources of energy that help to run the various machines invented by man.
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