68,403 views
39 votes
39 votes
Is speed the rate of change in the velocity of a moving body?

User GertVdE
by
3.5k points

1 Answer

21 votes
21 votes

No, speed is the rate of change of distance.

Velocity is the rate of change of displacement.

Distance is scalar quantity, it has just magnitude.

Displacement is vector quantity, it has both magnitude as well as direction. So, speed and velocity are scalar and vector respectively too.

User Saurabh Gour
by
2.7k points