Question

2) Retardation means acceleration, a) zero b) negative c) positive d) none of the above​

Answer 1

b)negative

Explanation with an example:-

When it is told that a body has retardation of 5m/s^2 then it means acceleration is -5m/s^2.

Answer 2

Answer:

Explanation:

Retardation is nothing but a negative acceleration. The velocity of the body may either increase or decrease. The change in velocity is known as acceleration. ... Retardation is acceleration with a negative sign. Or the negative value of acceleration shows that the velocity of a body is decreasing.