Chapter 2 Chemistry motion write notes short
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Rest
When an object does not change its position with respect to a reference point with elapse of time, the object is said to be in rest.
Motion
If an object changes its position with respect to a reference point with elapse of time, the object is said to be in motion.
To observe the motion of any object; two things are necessary – a reference point and time.
Motion along a straight line
When an object moves along a straight line, the motion of the object is called rectilinear motion. For example; motion of a vehicle along a straight road
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