# Describing Motion Around Us Important Questions and Practice Set with Answers | NCERT Class 9 Science | SwaVid

The chapter 'Describing Motion Around Us' introduces fundamental concepts required to understand how objects change their position over time. It delves...

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# Describing Motion Around Us

## A person walks 5 km east and then 3 km west. What is the magnitude of their displacement?

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## Related chapters

Chapter 4 · Class 9 Science

The chapter 'Describing Motion Around Us' introduces fundamental concepts required to understand how objects change their position over time. It delves into defining motion, differentiating between scalar and vector quantities like distance and displacement, and explaining the rates of motion through speed and velocity. The chapter further explores the concept of acceleration, uniform and non-uniform motion, and provides graphical methods to represent and analyze motion. Finally, it establishes the equations of motion for uniformly accelerated objects and discusses uniform circular motion.

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- NCERT Class 9 Science textbook: Exploration : Chapter 4: Describing Motion Around Us

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