I am not getting the difference between distance and displacement.... without using the words scalar and vector quantity, of course, i know what they mean but still i need help with this... so please help!!!

ever hear of google?

http://www.physicsclassroom.com/class/1DKin/Lesson-1/Distance-and-Displacement

Of course! I'll try to explain the difference between distance and displacement without using the terms scalar and vector quantity.

Distance refers to the total length of the path traveled by an object during its motion. It is a scalar quantity that only considers the magnitude or the numerical value. For example, if you travel from point A to point B and then back to point A, the distance covered would be the sum of the distances between each point.

On the other hand, displacement refers to the change in position of an object from its initial point to its final point. It takes into account both magnitude and direction, which means it is a vector quantity. Displacement is a straight line that connects the initial and final positions, and it is the shortest distance between these two points.

To better understand this, consider an example: let's say you start at your home (point A) and walk 5 meters north and then walk 3 meters south and finally return to your home. The total distance you covered is 8 meters (5 meters north + 3 meters south). However, your displacement would be zero because you ended up at the same position where you started - your home (point A). Even though you moved, your overall change in position is zero.

In summary, distance considers the total length of the path traveled, while displacement only measures the change in position from the start to the end point.