Energy is the ability , the ability to do work , the ability that causes motion or changes . To live our life, to keep things moving, to keep the systems running on, both in the world and in the universe, we need energy.
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b. the ability to do work.
Energy is defined as the capacity or ability to do work such as moving an object against a force, like frictional force. There are two main type of energy that are:Potential energy , it is denoted with symbol U. It is a stored energy or energy which is due to it's position. For example, energy stored in a ball when it is taken to the building top.Kinetic energy, it is denoted as K.E. . It is the energy that an object posses due to it's motion. For example, collision of pool balls.
it is called kinetic energy
The energy of a substance is defined as the capacity to do work.The energy may be possessed by the body in various forms.It may be kinetic,potential,magnetic.electric etc.
a- The energy can be transformed from one form to another form.It is called energy conversion.
c-The power defined as the consumption of energy per unit time.
Here E is the energy and W is the work done,t is the time.
d-The S.I unit of energy is Joule[J].
Hence the correct answer to the question is b. the ability to do work
Energy, definition; Power derived from the utilization of physical or chemical resources, especially to provide light and heat to work machines.
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answer with short explanation ho...