CBSE Class 9 Physics Work and Energy
Conservation of Energy and Power
Work

Calculation of Work done 1
This video describes the calculation of work done 
Calculation of work done2
This video describes the calculation of work done when the angle between... 
Positive, negative and zero work
This video describes the concept of positive, negative and zero work done 
Type of Work Done
This video explains the case study based question based on the concept o... 
Relation between Work and force
This video explains an Assertion and Reason Question based on Work and f...
Energy

Potential energy
This video describes the calculation of height at which the object is place... 
Potential energy
This video describes the calculation of ratios of potential energies using ... 
Kinetic energy
This video describes the calculation of ratios of kinetic energies of two b... 
Work done in Raising an Object
This video explains the assertion reason based question based on the con... 
Energy and its Unit
This video explains the case study based question based on the units of ...
Conservation of Energy and Power

Power of electric appliance
This video describes the concept behind the power consumption by an electri... 
Relation between commercial and SI unit of energy ...
This video describes the relationship between the commercial and SI unit of... 
Conservation of energy
This video describes the calculation of potential and kinetic energy when a... 
Total Mechanical Energy
This video explains the assertion reason based question based on the con... 
Kinetic and Potential Energy During A Freefall
This video explains the case study based question based on the concept o...