In physics, motion is a change in position of an object with respect to time and its reference point. Motion is typically described in terms of displacement,velocity, acceleration, and time. Motion is ...

This article focuses on the concept of ‘Relative Motion Between Two Bodies’. Such questions have been part of the CAT paper and should not be neglected as they are really easy to score on. If the ...

*This column was amended on Dec. 26 and Dec. 27, 2006. See Ombudsman's Note at end. In October 2003, a one-hour documentary film titled "Einstein's Wife," about the renowned physicist's first wife, ...