Physics, asked by moni17, 1 year ago

Define acceleration and state it's SI unit when do we consedure the acceleration to be negative and positive

Answers

Answered by Shahmeer24
1
acceleration is defined as the rate of change of velocity per unit time. its Si unit is m/s^2 .
acceleration can be considered as negative or positive. acceleration is positive whereas retardatuon is negative.
Answered by SresthaAbhi
2
Hi Moni!!

*Acceleration is defined as the rate of change of velocity.
*It's SI unit is metre per second square (m/s^2)
The acceleration is negative when the body is falling downward, or is coming to rest. So, basically during retardation the acceleration is negative. The slope of the graph tells you whether the acceleration is positive or negative..The acceleration is positive when the body is thrown upwards or when the acceleration is increasing..

Hope that cleared your doubt friend!!
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