An object travels a distance of 40 m and comes back to its original position. The displacement of the object is:

80 m

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20 m

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40 m

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Zero

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Solution

The correct option is D Zero
Displacement is defined as the shortest distance between the initial position and the final position.

Suppose the body starts from point A, travels 40 m towards point B and finally return back to point A.

The initial position and the final position are same.

Therefore, the displacement will be zero here.

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