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Kind of Motion
Rest and Motion - Rest And Motion
3591    Arnab De    07/07/2018

Rest and Motion

All things around us are either rest state or motion state.

Rest state

A body is said to be rest if it does not change its position with respect to a fixed point taken as a reference point in its surroundings. For examples, a book lying on the table, if nobody disturb or replaced it then it remain at the same position in respect to time. That book said to be in a state rest.

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Motion state

A body is said to be in motion, if it changes its position with respect to a fixed point taken as a reference point in its surroundings. For examples, a walking man at park. That man changes his position in respect to time. Here the walking man is in motion state.

Rest State and Motion State Both are a relative Term

Consider you are in a moving train and the train cross a village, where a farmer standing on the field. Then anybody inside train considers that the farmer is in moving state and you are in rest state. Because according to him, the farmer is moving with respect to time and you remain in the same place in the train (as both of you are on the same train). But anybody outside the train other than that farmer considers that the farmer is in rest state and you are or the train is in motion state. Because with respect to that man train or you change the position in respect to time but the farmer is in the same position. That is why we can say rest state and motion state are a relative state.

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Nothing is in rest state in the earth - explain.

If we consider a body (which is in rest state in earth) from a fixed position of outside the earth then we will look that body is moving rapidly with earth. Because earth itself moving surrounding the sun. that is why we can say nothing is in rest state in earth.

Kind of Motion
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Author Details
Arnab De
I have over 16 years of experience working as an IT professional, ranging from teaching at my own institute to being a computer faculty at different leading institute across Kolkata. I also work as a web developer and designer, having worked for renowned companies and brand. Through tutorialathome, I wish to share my years of knowledge with the readers.
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