Work, Energy and Power

This topic covers concepts, such as Work, CGS Unit of Work, Relation between Joule and Erg, Work Done by a Constant Force, Force and Displacement Vectors, Condition for Zero Work Done, Condition for Maximum Work Done, Condition for Minimum Work Done, Condition for Positive and Negative Work Done & Work Done by Gravity etc.

This topic covers concepts, such as Energy, Definition of a Calorie & Conversion of Calorie to Joule etc.

This topic covers concepts, such as Mechanical Energy, Sound Energy, Chemical Energy, One Kilowatt Hour & Electronvolt as an Unit of Energy etc.

This topic covers concepts, such as Interconversion among Various Forms of Energy, Work and Energy & Energy Efficiency etc.

This topic covers concepts, such as Potential Energy, Zero Level of Potential Energy, Position Dependence of Conservative Force and its Potential Energy, Spring Forces, Work Done by Spring Force & Energy Stored in Spring etc.

This topic covers concepts, such as Kinetic Energy & Work Energy Theorem etc.

This topic covers concepts, such as Conservation of Mechanical Energy & Conservation of Energy in Free Fall etc.

This topic covers concepts, such as Collisions, Inelastic Collision, Elastic Collision, Perfectly Inelastic Collision, Head-on Elastic Collision, Linear Momentum and Collisions, Mechanical Energy in Collisions & Expressions of Velocities after Elastic Collision etc.

This topic covers concepts, such as Conservative and Non-conservative Forces, Equilibrium of Bodies, Stable Equilibrium, Unstable Equilibrium, Neutral Equilibrium, Force and Potential Energy & Graph of Potential Energy etc.

This topic covers concepts, such as Concept of Power, Unit of Power, Average Power & Definition of Watt etc.

This topic covers concepts, such as Centre of Gravity, Center of Gravity of Different Shapes & Applications of Centre of Gravity etc.