Question

Assertion : Displacement of an object may be zero even if the distance covered by it is

not zero. 1

Reason : Displacement is the shortest distance between the initial and final position.​

Answer 1

Yes , both the statements are correct and reason is also the correct explanation of the assertion

For instance, when a ball is thrown vertically upwards in air and when it reaches the thrower’s hand then the distance covered by the body is not zero, however it’s displacement is zero as it has the same final and initial positions...

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Answer 2

Assertion : Displacement of an object may be zero even if the distance covered by it is not zero.

Reason : Displacement is the shortest distance between the initial and final position.

Assertion and Reason are true and Reason is the correct explanation.

• Distance is defined as the total path length travelled by an object.

• Similarly, displacement is also defined as the shortest distance between the starting and stopping point of the object. So, reason is true.

• Now, displacement is vector and distance is scalar. So, displacement can be positive, negative or zero. But distance will be always positive. So, assertion is true.

• For example : when a runner returns back to the starting line after completing one lap, his displacement is zero but distance is positive.

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