Kinematics Reasonings

Is it possible that the displacement of a body is zero but not the distance?

Yes. Suppose a body is moving in a closed path. In such a case, the initial and final positions of the body is same. So, the overall displacement is zero. But, the body has travelled through various lengths to reach the same point. So, the overall distance is not zero.

For example, a man goes out of his house and returns after 5 hours after completing a distance of 10 km. In this case, the distance he travelled is 10 km but the displacement is zero.

[Read: Motion in a Straight Line]


Can an object have an eastward velocity while experiencing a westward acceleration?

Can a body have a constant velocity but varying speed?

The velocity of a body will be changed in magnitude and direction while its acceleration is constant. Is it possible?

Can a body move on a curved path without having acceleration?

A body reaches a certain height when thrown with a certain velocity. What is the height reached if the velocity is doubled?

Can a body have velocity but zero acceleration?