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प्रश्न
What do you understand by the term acceleration?
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उत्तर
“Rate of change of velocity with respect to time is called acceleration.” S.I. unit of acceleration is ms−2.
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संबंधित प्रश्न
Which of the two can be zero under certain conditions : average speed of a moving body or average velocity of a moving body ?
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Derive the formula s= `ut+1/2at^2` , where the symbols have usual meanings.
State how the velocity-time graph can be used to find
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(i) v = u + at
(ii) `"S = ut" + 1/2 "at"^2`
(iii) v2 = u2 + 2aS
where the symbols have their usual meanings.
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