Tamilnadu BoardEnglish MediumSTD 9SciencePHYSICS CH 2 Motion2 Marks
Question
What do you understand about negative acceleration?
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Answer
If v < u, i.e. if final velocity is less than initial velocity, the velocity decreases with time and the value of acceleration is negative. It is called negative acceleration. It is also called as retardation (or) deceleration.
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