What Is Energy?


The physical quantity that is everywhere is energy. It is a scalar quantity that has many uses. Here are some of the many types of energy: Electrical kinetic energy, Gravitational potential energy, and Elastic potential. We will discuss the different types and their uses in this article. Let’s start with the basics. What is energy? How does it work? How does it get from one place to another? What are its effects?

Elastic potential energy

Elastic potential energy is the mechanical energy that is stored within a configuration. Elastic energy is created when an object is compressed or stretched, and generally deformed. Objects have elastic energy stored within them, and they can store this energy in many different forms. This energy can be used to store heat or to create force. But how is elastic energy stored? Let’s look at some examples. First, let’s define its definition.

Gravitational potential energy

If two objects fall toward each other, gravitational potential energy is released. This energy is a component of the gravitational field and is responsible for making objects fall closer to each other. It can also be measured directly. It is the energy associated with a gravitational field, so the greater the gravitational force, the greater the energy released. This energy is released as objects fall toward each other. The amount of energy released varies as far as the distance from one object to the other.

Electric potential energy

Electric potential energy is a quantity of electrical energy associated with the configuration of point charges in a defined system. It is a result of conservative Coulomb forces. Here are some examples of the energy levels associated with different point charges in a system. When they are high, electric potential energy corresponds to the potential energy. If these levels are low, electric potential energy corresponds to the zero-potential energy level. However, the opposite holds true if the voltages and currents are high.

Electrical kinetic energy

Electric cars convert electrical energy into kinetic energy, which they then transform back into an appropriate form. Escalators also run on electrical energy. The motors and gears connected to the elevator convert electrical potential energy into kinetic energy. This process is known as ‘electromotive force.’ The electrical energy subsequently drives the motors and gears to move up and down. However, in order to harness the power of electrical energy, we need to understand how these machines work.

Thermal potential energy

Thermal potential energy is stored at the atomic or molecular level and is converted into kinetic energy and other forms of energy through chemical bonds, electrostatic interactions, and nuclear bonds. Thermal potential energy is used to move objects by creating motion in steam engine pistons. It is a form of kinetic energy and can be used to produce heat. In a steam engine, potential energy is extracted from hot gases and converted into kinetic energy.

Thermal energy

The term “thermal energy” is used loosely in various contexts in physics and engineering. In fact, there are a number of distinct but well-defined physical concepts that are associated with the term. These concepts range from heat transfer and the heat transfer coefficient to kinetic energy and the conversion of energy into mechanical energy. Let’s examine each separately. First, let’s define thermal energy. Thermal energy is the energy produced by heat transfer.


The joule is the fundamental unit of energy in the metric SI. In radiology, one joule is the same as one watt per second. Thus, a 100-watt light bulb dissipates one hundred J of energy per second. In the next chapter, we will discuss the full range of radiation units. In addition to joule, we will also discuss other units. These are used when large amounts of energy are being transferred from one source to another.