How can you say motion and rest are relative?

1.	How can you say motion and rest are relative?
Answer» MOTION and rest are relative because an object can be in rest relative a object and simultaneously be in motion relative to other.Explanation:for example- if u r in a TRAIN then your velocity and train velocity is same so u r in rest relative to it.but for the person OUTSIDE u r in motion.hope u UNDERSTAND.

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