vocab Flashcards
acceleration
The change in velocity during a particular time period. A change in speed
distance
the lenth between two points. The SI unit for distance is meter
motion
The change of postion
frame of reference
The object an observer uses to detect motion
speed
the distance an object moves in a certain period of time
vector
a measure such as velocity that includes both size and direction. it may be represented by an arrow
velocity
a measure of both speed and direction of a moving object.
What is speed and how is it measured ?
speed is the distance an object moves in a certain period of time. Speed is measured Distance divided by time
How does a graph represent an objects motion?
The line on the graph tells how fast or slow an object moves
How does a vector represent velocity?
It tells direction and speed
