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Ashmit Sinha

May 18, 2015

What is difference between speed and velocity?

What is difference between speed and velocity?

Answers(3)

Answer

Syeda


Answer.
                      SPEED                     VELOCITY
1. It is defined as the rate of change of distance. It is defined as the rate of change of displacement.
2. It is a scalar quantity. It is a vector quantity.
3. It can never be negative or zero. It can be negative,zero or posituve.
4. Speed is velocity without direction. Velocity is directed speed.

Amarnathreddy M

Differences Between Speed and Velocity
S.No.                       SPEED                     VELOCITY
1. It is defined as the rate of change of distance. It is defined as the rate of change of displacement.
2. It is a scalar quantity. It is a vector quantity.
3. It can never be negative or zero. It can be negative,zero or posituve.
4. Speed is velocity without direction. Velocity is directed speed.
5. Speed may or may not be equal to velocity. A body may possess different velocities but the same speed.
6. Speed never decreases with time. For a moving body, it is never zero. Velocity can decrease with time. For a moving body , it can be zero.
7. Speed in SI is measured in ms-1 Velocity in SI, is measured in ms-1

Parthasaradhi M

Member since Apr 1, 2017

 Differences between velocity and speed:

S.No

Velocity

Speed

1

Velocity can be defined as the rate of change of position of an object in a certain direction.

Speed is defined as the rate of change of distance of an object

2

It is a vector quantity

It is  a scalar quantity

3

Velocity can be negative, zero, or positive.

Speed can never be negative or zero.

4

The velocity of the object changes with the change in direction, therefore the object must follow one direction.

The average speed will continue to count even if the object changes direction.

5

Velocity can decrease or increase with time. 

Speed never decreases with time. 

6

An object may possess different velocities but the same speed.

Speed may or may not be equal to velocity.

7

Velocity is measured in m/s (SI Unit)

Speed is measured in m/s (SI Unit)

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