SECTION B (UNDERSTANDING)
5. When the distance-time graph of a body is depicted as a straight line parallel to time
axis. The body will be
(a) moving with constant speed
(b)moving with constant velocity
(c)at rest
(d). Moving in straight line. Give logic for your answer.


6.Differentiate between speed and velocity of a body. Out of the two which have the zero mean
value for a moving body? Give one example.​