This video explains the concept of Work in Physics or Mechanical Work. The fundamental has been very well explained through 3D models and animation by our Master Teacher. Topics covered are as follows: Definition of work- When a force causes a displacement in its own direction work is said to be done. Factors determining work - force, displacement and the angle between force and displacement. Definition of energy - Ability to do work is called as energy. This is suitable for students of class sixth (6th), class seventh (7th), class eight (8th) and class ninth (9th). The syllabus covered is from the books like Concise Physics, Living Science, NCERT etc.