Lecture_02 - virtual work

Lecture_02 - virtual work

07_virt-work.png

  • What is the difference between “virtual work” \(\delta W\), “virtual displacements” \(\delta r\), and “mechanical work”, \(\int F dr\)?

  • What is the virtual work done by gravity to a block of mass, m, sliding down a slope of \(45^o\)?