Question

define energy ?? Anyone please ​

Answer 1

$energy$
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▶Energy is defined as ability to do work .

▶S.I. unit of energy is joules , kilowatt hour , calories .

Answer 2

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The simplest definition of energy is "the ability to do work". Energy is how things change and move. It takes energy to cook food, to drive to school, and to jump in the air. Different forms of Energy. Energy can take a number of different forms.