## Work, Energy & Power

Introduction Much scientific invention has been directed towards designing machines that are beneficial to everyday life.

## Stress & Strain

Introduction Ever wondered why, when iron rod can withstand more load, things made of glass or wood breaks easily? The answer lies in behaviour of materials to external loading.

## Young’s Modulus

Introduction Young’s modulus is a numerical constant, named after the 18th-century English physician and physicist Thomas Young.

## Circuits

In this article, the fundamentals of electric charge, current, potential difference, resistance and conservation of charge are discussed.

## Potential Divider

A potential divider is widely used in circuits.

A.

A.

A.

## Conservation Of Energy

Introduction Consider a scenario: When diesel is burned in a truck engine, some of the chemical energy stored in the form of liquid is converted into kinetic energy of the truck and some are wasted as thermal energy.

## Moments

Introduction When a force acts on an object, the force may cause an object to move in a straight line.