Question

What is retardation? Give its SI unit.

Answer 1

When the velocity of the body is decreasing, its acceleration becomes negative.

This negative acceleration is only regarded as the retardation or deceleration or negative acceleration.

The SI unit of the retardation is same as the acceleration that is m/s^2.

The magnitude however is negative in case of retardation.

Answer 2

Answer:

negative acceleration is termed as retardation. its si unit is m/s²