Direction. Velocity is a vector quantity. Vectors have a scalar size and a vector direction.
A change in an objects velocity is called acceleration. Velocity is defined as an objects speed of travel AND its direction of travel. Acceleration can change only an objects speed, only its direction or both. If there is no acceleration acting on the object, then the velocity remains constant.
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That is called "velocity".
No. Velocity is a vector that describes both the direction in which an object is moving and its speed in that direction.
Acceleration is the change in an ogjects speed or a change in an objects direction of motion or both of these. If instead of speed you use the word velocity , which is both an object's speed and its direction of motion, then you could say "acceleration is the change in an objects velocity" and that would cover all the possibilities in one statement.
when you know both speed and direction of an objects motion you know the velocity of an object.
A change in an objects velocity is called acceleration. Velocity is defined as an objects speed of travel AND its direction of travel. Acceleration can change only an objects speed, only its direction or both. If there is no acceleration acting on the object, then the velocity remains constant.
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I'm pretty sure its the acceleration. If its not that, its the Velocity.
That is called "velocity".
No. Velocity is a vector that describes both the direction in which an object is moving and its speed in that direction.
Acceleration is the change in an ogjects speed or a change in an objects direction of motion or both of these. If instead of speed you use the word velocity , which is both an object's speed and its direction of motion, then you could say "acceleration is the change in an objects velocity" and that would cover all the possibilities in one statement.
Velocity is the measure of speed in a given direction. Although the SI measurement units for both are metres per second, there must be an explicit or implied direction for velocity.