Question

CASE STUDY-1. Distance is the actual length of path between two points which could bi curved zig Zag or straight line. However displacement is the straight line path which is the shortest possible distance between two points. Thus displacement can never be more than distance. If actual path transverse between two points is a straight line, then distance is equal to displacement. State of rest and motion are relative because they are interpreted according to the change in position of the object with respect to the origin. For example mountains trees etcare at rest with respect to us. But to an astronaut in outer space they are in motion as the earth is rotating. Now answer Q.1-Q- 4.Q.1 a body starting at a point say A reaches B. ahead in a straight line and return back to A. Then there is
1.Positive displacement
2.Negative displacement
3.zero displacement
4.cannot be said ​

Answer 1

Answer:

The answer is Positive displacement.

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Answer 2

Answer:

3.zero displacement bcoz, the body reaches its original position from where it has started