Introduction Central Force, in physics, refers to a force that acts on every particle of the system, with the same magnitude and direction. Central forces are encountered often in physics, particularly when studying celestial mechanics and electromagnetism, where they appear as gravity and Coulomb’s law, respectively. In this tutorial, we will discuss what a central force is and how it works. What is Central Force? A central force is a force that emanates from a single source and acts on all particles in a system. This force acts as an attractor on other objects that are nearby, like gravity and ... Read More

Introduction Buoyancy is the upward force exerted on an object that has been immersed in the fluid. The fluid can be water, another liquid, or even gas, as long as it cannot penetrate the solid object fully. This upward force on the object is referred to as buoyant force or buoyancy and can be calculated using Archimedes’ principle, which states that the weight of the displaced fluid (liquid or gas) equals the weight of the volume of that object immersed in it. The denser a material is, such as lead or gold, the more of an opposing force it has ... Read More

Introduction Carbon resistors are a type of resistance component used in electrical and electronic circuits to provide resistance to the flow of electricity, generally as a way to regulate current or voltage. There are multiple types of carbon resistors and each type has different features, functions, and uses that it performs well. Graphite or coke, for instance, are carbon-based materials used as resistors. The material used in carbon resistors affects their voltage and resistance values, which makes them suitable for use in many different applications like power supplies, circuit breakers, and electric motors. Because of their wide range of ... Read More

Introduction With the use of capacitors in parallel and in series, it’s possible to create capacitors with different properties and functions. As electric current flows through a capacitor, it creates an opposing charge on each of its plates. As you might guess, each electrode attracts opposite charges that are equal and opposite of one another. What are they, how do they work, and why would you want to use them? This tutorial will cover all the basics you need to know about capacitors in parallel as well as offer some suggestions on how to use them in your next project. ... Read More

Introduction Capacitors come in a variety of shapes and sizes, but what most people don't realize is that they also have different effects and purposes. While all capacitors can store energy, some are designed to give it back to the circuit quickly while others are meant to hold on to it longer; some are made specifically to filter out high-frequency signals while others focus on low-frequency ones. By knowing the kind of capacitor you’re using and its intended purpose, you can make sure you get the right capacitor for your circuit—and maximize its usefulness in that circuit. What is Capacitor? ... Read More

Introduction Capacitors are small electronic components that can hold an electrical charge, and they’re commonly used in many different types of electrical devices and circuits, such as radios, TVs, microwaves, and computers. When you use capacitors in your electronics projects, you need to be aware of how they work and how they differ from other components like resistors and inductors. What is a Capacitor? A capacitor is a two-terminal electrical component used to store energy in an electric field. This energy is stored as electric potential between its terminals, measured in volts. It consists of two electrical plates that are ... Read More

Introduction We always hear that nature provides all the necessary things whether living or non-living for our survival. Nature gives us air, water, soil, minerals etc. and we humans are consumers of all these. But do you know that some of the natural resources cannot be regenerated. It means that once they vanish from our earth then we cannot utilize or regenerate them. Let us discuss more. Natural Resources All the resources given by nature without any human intervention or human activities are called Natural resources. We humans are continuously using these resources for our survival and upliftment. Some ... Read More

Introduction Do you ever realize that it is really difficult to catch a fast moving ball rather than a slow moving ball? Do you ever think that a fast moving car can cause more damage when met with an accident rather than slow moving car? This is all because a physical quantity is involved in both cases i.e. momentum. Momentum of an object is the product of mass and velocity of that object. Momentum is a vector quantity and its direction will be along the direction of velocity of the body. So in the case of a fast moving ... Read More

Introduction Density is the physical quantity which tells us the amount of mass per unit volume. So if I say that the density of iron is 7.874 $\mathrm{gram/centimeter^3}$, it means that 7.874 grams of iron can be placed in 1 $\mathrm{cm^3}$ of volume. And as we know that the molecules of iron are very closely packed and more molecules will be composed in 1 $\mathrm{cm^3}$ of volume. The molecular formula of water is $\mathrm{H_2O}$. It is very important to learn all the properties of water as it is essential for the existence of life on earth. Properties are as follows: ... Read More

Introduction If you take the same size of raw cotton and iron piece in your hands, then you will feel that you are able to compress raw cotton but not the iron piece. This is because the atoms of the cotton are having a lot of gap between them but the atoms of the iron piece are closely packed. So we can say that iron is denser than raw cotton. We know that the atoms or molecules of gasses are much farther than that in solids. So gasses are generally less dense than solid. From here we can conclude that ... Read More