Torsional vibrations are said to occur when the particles of a body moves
In a circle about its axis
Torsional vibrations are said to occur when the particles of a body moves In a circle about its axis.
When the two elements of a pair have __________ when in motion, it is said to a lower pair.
A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a