Question

What should the SIGN of DECELERATION be if the motion is in DOWNWARD DIRECTION? Should it be +VE or -VE?

Answer 1

Answer:

ITS         -VE

Explanation:

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Answer 2

That totally depends on how you choose the sign convention

If you choose downwards as positive , upwards direction becomes negative and vice-versa , if downwards is positive then retardation is negative and if downwards is negative then retardation is positive

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