Name: ___________________________________
Date: ________________________
Motion
 How is a frame of reference used to describe motion?
 When an object changes position with respect to a frame of reference, _______________
________________________________________________________________________
 Motion- ________________________________________________________________
________________________________________________________________
 Frame of Reference- _____________________________________________________
_____________________________________________________
_____________________________________________________________________________
Observing Motion
 Distance measures the _____________________________________________________
 Displacement is the _______________________________________________________
 Displacement- ___________________________________________________________
___________________________________________________________
- Always includes ________________________________
_____________________________________________________________________________
Speed and Velocity
 What is the difference between speed and velocity?
 ________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
 Speed-__________________________________________________________________
_________________________________________________________________
 Velocity- _______________________________________________________________
_______________________________________________________________
 Velocity is described relative to a ____________________________________________
o Direction is described as ______________________________________________
__________________________________________________________________
o By convention, up and right are usually ______________________ and left and
down are usually ___________________________
_____________________________________________________________________________
Calculating Speed
 What do you need to know to find the speed of an object?
 To calculate speed, ________________________________________________________
________________________________________________________________________
________________________________________________________________________
 Average speed is calculated as _______________________________________________
 Si unit for speed: ________________________________________(_______________)
 Constant Speed- _________________________________________________________
 Instantaneous Speed- _____________________________________________________