Question

why distance cannot be zero
give reasons!! with an example
irrelevant answers will be reported!!

Answer 1

Yes , displacement can be zero but distantce because displacement has both direction and magnitude while distance has only magnitude. Therefore, as we move from our home to the shop and then back to home, displacement is zero while distance is not zero. The distance can be zero only if the object remains at rest.

For example, when we throw a ball up in the air, for whole of the journey covered by the ball, displacement would be zero as the ball comes back to its original position in the final situation and hence the starting point and end point remains the same which means, shortest distance between terminal points=0 and hence displacement=0.

Whereas the distance covered by the ball during the journey would be twice the total height achieved by the ball. Which means distance≠0 in this case.

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