State which of the following situations are possible and give an example for each of these :
(a) An body with a constant acceleration but with zero velocity.
(b) An object moving with an acceleration but with uniform speed
(c) An object moving in a certain direction with an acceleration in the perpendicular direction.

Question

Doubtnut · Accepted Answer

Solution: (a) Possible
When a ball is thrown up at maximum height, it has zero velocity, although it will have constant acceleration due to gravity, which is equal to 9.8 m/`s^(2)`.
(b) Possible
When a car is moving in a circular track, its acceleration is perpendicular to its direction.