**Overview of the Topic- position, path length and displacement**

**What are the positions, lengths, and displacements of the path?**

### But before we proceed, let us understand what is in motion. We may see objects moving all around us if we look closely. Children play, birds fly, animals move in quest of food, people walk or run, cars speed down the road, rivers flow, and so on. So, in a nutshell, motion can be found everywhere in the universe. But, exactly, what does “motion” imply? If you look at the examples above, you’ll notice that they all travel from one location to another. As a result, motion is defined as the process or act of moving and changing an object’s direction through time. When a body is at rest, it does not indicate that it is in motion; rather, it signifies that it is being characterized in terms of a frame of reference that moves in tandem with the body’s position.

**Position**

### To explain an object’s motion, you must first understand and be able to characterize its position.

### Let’s use an example to illustrate this. Let’s say Ram moved from point R to point S. Ram’s previous/initial position was R, from which he switched to S. Now we have to figure out how to symbolize Ram’s starting position. A reference point and a set of three mutually perpendicular axes, or the rectangular coordinate system, are used in physics to represent a position. The X, Y, and Z axes are the three. The origin, or starting point, is the intersection of the three axes mentioned above (X, Y, and X). As a result, we use point R as the reference point or origin, with coordinates (0, 0, 0), and S as a set of three-axis coordinates (X, Y, Z). We include a clock in this system because we know that motion is defined as a change in location over time. The coordinate system serves as the frame of reference, coupled with the clock. A frame of reference is a set of axes from which the object’s position and motion are specified. If one or more of a body’s coordinates change over time, the body is said to be dynamic.

**Path Length**

Between the Initial and Final positions, the path length is the actual length of the path traversed by the body.

**Displacement**

It is the shortest distance between the Initial and Final places, measured in straight lines. The quantity of displacement is a vector quantity.

The path is a scalar because it has only and no direction, but displacement is a vector quantity since it has both magnitude and direction.

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**FAQs (Frequently Asked Questions) **

**1. Can I score full marks in Class 11 Physics Chapter 3 Topic- position, path length and displacement? **

Yes, you can easily score full marks in Class 11 Physics. All you need to do to score full marks in Maths is a frequent practice. All of the concepts should be clear in this subject since many questions are expected in the board examination from this chapter. This will help you make your confidence up and well versed with the chapter and can score full marks in the exam. You should also refer to the NCERT Solutions of this chapter.

**2. What are the benefits of solving NCERT solutions by Infinite Learn? **

NCERT solutions by Infinite Learn are designed strictly according to the latest CBSE syllabus and it is the best way to study this chapter containing all the important points and formulas. The subject matter experts designed these NCERT solutions with the aim to make the learning process the most convenient way.

**3. How can I download the NCERT Solutions of this exercise from the Infinite Learn website? **

It is very easy to download the NCERT Solutions of this exercise from the Infinite learn website. You just have to come to the infinite learn official website and look for the Class 11 category under the ‘NCERT Solutions’ section. After that, you can easily use these Solutions. Downloading these solutions and studying at your convenience is our main aim.