Correct Answer:
Option A - Particle :-A particle is an object which occupies negligible space but has some mass, when a body is assumed to be a particle the principles of mechanics reduce to an implied form, since the geometry of the body is not involved in the analysis.
A. Particle :-A particle is an object which occupies negligible space but has some mass, when a body is assumed to be a particle the principles of mechanics reduce to an implied form, since the geometry of the body is not involved in the analysis.