Question

define negative acceleration or retardation?​

Answer 1

Answer:

answer is

Explanation:

The change in velocity is known as acceleration. If the velocity of the body increases, acceleration is said to be positive. Similarly, if the velocity decreases, the acceleration is said to be negative. ... Retardation is acceleration with a negative sign

Answer 2

Explanation:

$\tiny\boxed{When \: the \: acceleration \: is \: acting \: in \: a \: direction \: opposite \: to \: the \: velocity, \: it \: is \: called \: retardation. \: }$