In your everyday life you come across a range of motions in which
(a) acceleration is in the direction of motion.
(b) acceleration is against the direction of motion.
(c) acceleration is uniform.
(d) acceleration is non-uniform.
Can you identify one example each of the above type of motion ?

Explanation

(a) A vehicle moving along a straight road.
(b) A ball thrown upwards.
(c) A ball falling freely from a certain height.
(d) Motion of a vehicle on road with traffic.