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Question
The displacement of a moving object in a given interval of time is zero. Would the distance travelled by the object also be zero? Justify your answer.
The displacement of a moving object in a given interval of time is zero. Would the distance travelled by the object also be zero? Justify your answer.
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Solution
(1) Displacement is the shortest distance possible between the initial and final position.
(2) It is not always necessary that when displacement is zero, distance need not be always zero.
(3) Distance becomes zero when the object is at rest ( when it is not moving )
(4) An object moving in a circular path has zero displacements. This is because the initial and final positions are the same but the distance covered is not zero.
Hence, even if displacement is zero but the distance covered is not always zero.
(1) Displacement is the shortest distance possible between the initial and final position.
(2) It is not always necessary that when displacement is zero, distance need not be always zero.
(3) Distance becomes zero when the object is at rest ( when it is not moving )
(4) An object moving in a circular path has zero displacements. This is because the initial and final positions are the same but the distance covered is not zero.
Hence, even if displacement is zero but the distance covered is not always zero.
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