An object has moved through a distance, Can it have zero displacrment ? If yes ,support your answer with a example.
Answers
Answer:
The basic idea of displacement is The shortest distance between the initial and final position of an object.
In the above images, P is the starting point and Q is the ending point.
Here the red line signifies distance traveled and the blue line signifies the displacement of the object. Hence you can see that displacement is always less than or equal to (during unidirectional straight line motion) the distance traveled.
Thus if the object travels so that its final position is the initial starting position ( like travelling in a circle or going to market and back home ), then the displacement is zero while the distance is not.
Explanation:
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Answer: Yes, an object has moves through a distance can have zero displacement.
Example: Suppose that an object moves from point A to point B, which AB equals 10km, then it go back to point A. What is the magnitude of distance and displacement in this particular case?
By the different definition of distance and displacement, we have that:
Distance = 2AB = 2.10 = 20km
Displacement = vector AB + Vector BA = 10 - 10 = 0km