Applied Mechanics and Graphic Statics The phenomenon of collision of two elastic bodies takes place because bodies

Immediately after collision come momentarily to rest
All listed here
Attempt to regain its original shape due to their elasticities
Tend to compress each other till they are compressed maximum possible

force scale
mass scale
distance scale
time scale

Applied Mechanics and Graphic Statics The centre of gravity of a plane lamina will not be at its geometrical centre if it is a

Right angled triangle
Equilateral triangle
Rectangle
Circle

Applied Mechanics and Graphic Statics On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force

Is mw2r/g kgf
Acts towards the centre of rotation
Acts tangentially to the circular path
Acts away from the centre of rotation

Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is

That resultant couple must be zero
That polygon of forces must close
None of these
Both (A) and (B)