Mar 22, 2022

## Simple Pendulum

A simple pendulum consists of a concentrated mass known as the ‘bob,’ which is free to swing from side to side at the end of a light cord or rod. When ..

Jan 25, 2021

## Pascal’s Law

Pascal’s law states that A small force (F1) is applied to piston with a small area (A1) produces a much large force F2 on the larger piston. It is schematically ..

Dec 28, 2020

## Newton’s Laws of Motion

The problems of mechanics can be solved by Newton’s laws of motion. The three laws proposed by Sir Isaac Newton, described as follows. Newton’s First ..

Jun 19, 2018

## Saint-Venant’s Principle and Stress concentration

Saint-Venant’s principle states that if the forces acting on a small portion of an elastic body are replaced by a statically equivalent system of forces on the same ..

Jan 21, 2017

## Hooke’s Law and Modulus of Elasticity

Hooke’s Law According to Hooke’s law for a small deformation, the stress in a body is proportional to the corresponding strain.” i.e., stress ∝ ..

Jul 1, 2016

## Reynolds Number

Reynolds number (Re) is an experimental number used to predict the flow velocity in fluid flow at which turbulence will occur. It is a non-dimensional velocity ..

• Mar 28, 2016

## Energy: Introduction and Types

In physics, energy is defined as a property of objects which can be transferred from one object to another objects or converted into different forms of energy. Energy ..

• Mar 19, 2016

## Kepler’s Laws of Planetary Motion

Kepler discovered three empirical laws that accurately described the motions of the planets. The three laws of Kepler may be stated as, Kepler’s First Law: ..

Mar 16, 2016

## Law of Conservation of Energy

Law of conservation of energy does not distinguish between useful and wasted energy. The law neglects ‘losses’ from the closed system into the environment. ..

• Feb 26, 2016

## Comparison of Solids, Liquids and Gases

Comparison of solids, liquids and gases (fluids) can be done in aspects like macroscopic description, mobility of molecules, density, molecular spacing, effect ..

Feb 3, 2016

## Newton’s Law of Gravitation

Newton along with his three laws of motion, Newton published the law of gravitation in 1687. According to Sir Isaac Newton, Thus, the magnitude of the gravitational ..