Coulomb’s Law

Coulomb’s force is the electrical force between two charges. Since there are positive and negative charges, coulomb’s force can be attractive or repulsive. However, the magnitude of the force produced by a point charge is similar to gravitational force: is the permittivity of free space. It is a description of how well electric field lines … Read more Coulomb’s Law

Energy of a Simple Harmonic Oscillator

Energy changes in according to displacement The kinetic energy of a simple harmonic oscillator is In a SHM, the oscillator’s kinetic energy and potential energy always changes from maximum to zero throughout the oscillations. However, at all time, the total energy of the oscillator is constant. This value can be obtained by calculating the maximum … Read more Energy of a Simple Harmonic Oscillator

Uniform Gravitational Force

  Uniform gravitational force The gravitational force acting on a mass is called weight. Weight always acts vertically down and its magnitude is directly proportional to the mass. where g is the gravitational field strength on the Earth’s surface. Gravitational field strength of a point is the gravitational force acting on a unit mass at that point. … Read more Uniform Gravitational Force

Configure SFTP using ForkLift to InMotionHosting Reseller Account

In this post, I am going to list the steps required to set up SFTP connection to InMotionHosting Reseller account. I am using a Mac with ForkLift. If you are using Windows, a different FTP client or a different Hosting provider, some instructions may be different. These steps are also applicable to the InMotionHosting Shared … Read more Configure SFTP using ForkLift to InMotionHosting Reseller Account

The Physics of Simple Harmonic Motion

An object moving in an SHM must obey the relation where  is the displacement and  is the angular frequency of the oscillator.   is related to the frequency of the oscillator by the relation . A body is moving in SHM if its acceleration is directly proportional to the displacement and in the opposite direction to … Read more The Physics of Simple Harmonic Motion

Simple Harmonic Motion and Circular Motion

Simple harmonic motion is closely related to a uniform circular motion. A real life simple harmonic motion. Review Question 1 Answer the following questions as you watch the first YouTube video(Simple harmonic motion and uniform circular motion). How does the centre of the red cylinder and the green ball relate? At which part of the SHM(left) … Read more Simple Harmonic Motion and Circular Motion

Mathematics of Circular Motion

Angular Displacement The angle which an object moves around a circle is called the angular displacement. This angle is usually expressed in radians. Hence, there are radians in one complete circle. The relationship between the angle in radian and the circle is where  is the angular displacement in radians, and  is the radius of the … Read more Mathematics of Circular Motion