Question

What are three types of energy?

Answer 1

Hint: As a first step, you may recall the definition of energy. Energy basically is the capacity to do work. You may be very familiar with different forms of energy like potential, kinetic, nuclear, etc. But we are asked to find the three main types of energy and hence have to find them from the familiar forms of energy.

Complete step-by-step solution:
In the question, we are asked to mention and describe the three types of energy. The three main types of energy are mechanical energy, electrical energy and thermal energy. You may be wondering about the other types of energy that you may be familiar with. They all are indeed types of energy but aren’t considered as the main type of energy.
Among the above mentioned three types of energy, mechanical energy is further classified into potential energy, kinetic energy and spring energy.

Additional information:
Other types of energy that you all are familiar with would be sound energy, light energy, mass energy, nuclear energy, etc.

 Note: You all may be very familiar with the law of conservation of energy. This law states that the energy could neither be created nor be destroyed but is converted between its different forms. For example you could consider an object of certain height with gravitational potential energy. Objects when falling down from this height gains speed and hence gains kinetic energy. During its motion, it does gain speed and also gets heated up and makes slight noise as the result of friction. At the bottom kinetic energy equivalent to the potential energy at that height from which it fell is attained. Hence, the energy is not lost or created here, but is transformed from potential energy to kinetic energy. So, energy is seen to be conserved here.