Hello friends, in this lecture u can get the class notes on Virtual Displacement.
Generalised Coordinate
https://youtu.be/Oyl-ixe-nZ4
Generalised Displacement
https://youtu.be/L3-uUtfpoWw
Generalised velocity
https://youtu.be/ULMlJgrJTTk
Generalised Acceleration
https://youtu.be/DW8g8xQhLbA
Generalised Force
https://youtu.be/7lNax5r0S3k