11. Therefore, the virtual work associated with a virtual displacement will depend on "'C " '. 12. Designed by Frederick Law Olmsted and Calvert Vaux, it is a virtual work of art. 13. Mathematically, you would use the principle of virtual work to calculate the force between them. 14. What prompts these growing difficulties with virtual work ? 15. Two-thirds of those surveyed report using virtual work ranging from Web conferencing to e-mailing reports and documents. 16. Virtual work is the work done along a virtual displacement for any force ( constraint or non-constraint ).17. Is Virtual Work really powerful enough to generate as many equations as one wants, and solve indeterminate systems completely? 18. It also means allowing them to work in new ways, create new environments, including virtual work spaces, he said. 19. Without income from their virtual works , some of the online art pioneers have returned to more conventional high-tech media. 20. For example, in an Atwood machine, the rope does work on each body, but keeping always the net virtual work null.
