ESE 2021 ME Technical Quiz || Collisions & Virtual Work

To apply concept of virtual work the body must be in

For A weight of 25 kN is raised by help of pully system. Find value of force P to maintain the equilibrium.

Find the correct option for virtual work done theorem

1) It can only be applied for equilibrium condition

2) In virtual theorem virtual forces are assumed & latter we put their value as 0

3) Beam with a hinge can not be solved using virtual work done theorem

4) First application of virtual work done theorem was done by Stevinus (1548 – 1620)

The coefficient of restitution is the ratio of _________.

The value of coefficient of restitution for perfectly inelastic collision