Can you teach me relative motion in 1d then after that motion in 2d then relative motion in 2D(Drift) and again relative motion in 2d(aim not to drift) make it easy to understand as if a 5 year is studying it.

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Let's learn about relative motion! Imagine two toy cars on a straight road. The red car goes 30 kilometers per hour, and the blue car goes 20 kilometers per hour. But here's the magic - to the red car driver, the blue car looks like it's only moving 10 kilometers per hour! This is because we subtract the speeds when they go the same direction. Motion looks different depending on who's watching!