Displacement is a vector quantity that measures the change in position of an object in a given direction. It can be positive (ve), negative (-ve), or zero, depending on the direction and magnitude of the change in position. Let's explore each case with examples and explanations:

Positive Displacement (ve):
Positive displacement occurs when an object moves in the positive direction, which means it moves in the direction of the chosen coordinate system. Here's an example to understand it better:

Example: A car moves 100 meters towards the east.
Explanation: In this case, the displacement of the car is positive because it moves in the eastward direction. The magnitude of the displacement is 100 meters, and the direction is towards the east.

Negative Displacement (-ve):
Negative displacement occurs when an object moves in the negative direction, opposite to the chosen coordinate system. Let's consider the following example:

Example: A car moves 50 meters towards the west.
Explanation: In this case, the displacement of the car is negative because it moves in the westward direction. The magnitude of the displacement is 50 meters, and the direction is towards the west.

Zero Displacement:
Zero displacement occurs when an object returns to its initial position, resulting in no overall change in position. Here's an example:

Example: A car moves 30 meters towards the east and then returns back 30 meters towards the west.
Explanation: In this case, the displacement of the car is zero because it ends up at the same position where it started. Although the car traveled a total distance of 60 meters (30 meters east + 30 meters west), the displacement is zero as it did not change its overall position.

Summary:
- Positive displacement (ve) occurs when an object moves in the positive direction of the chosen coordinate system.
- Negative displacement (-ve) occurs when an object moves in the negative direction, opposite to the chosen coordinate system.
- Zero displacement occurs when an object returns to its initial position, resulting in no overall change in position.

Remember, displacement is a vector quantity that considers both magnitude and direction, unlike distance, which is a scalar quantity that only considers the magnitude.

0 is when the intial and final position is same... For example: I start from point A to point B and then to point C and returned to point A then my displacement will be 0 as my intial position and final position is same....