Question

A body may have negative negative acceleration but never negative speed .Why​

Answer 1

Acceleration and velocity are vectors. If they point in different directions the object must be slowing down. Velocity is increasing acceleration must be positive and if velocity is decreasing acceleration must be negative.

@Samu❤️

Answer 2

Acceleration and velocity are vectors. If they point in different directions the object must be slowing down. Velocity is increasing acceleration must be positive and if velocity is decreasing acceleration must be negative.