Rectilinear Motion

 

Acceleration

 

 

What is instantaneous acceleration?

 

The time rate of change of position.
The time rate of change of velocity.
How fast a particle is moving.

 

 

 

 

 

Is acceleration a vector or a scalar?

 

vector
scalar

 

 

 

 

 

If the velocity is not changing, the acceleration is what?

 

a =