12 terms

Chapter 1 Motion

STUDY
PLAY

Terms in this set (...)

Speed
The distance traveled by an object divided by the time taken to travel that distance.
Velocity
The speed of an object in a particular direction.
Acceleration
The rate at which velocity changes .
Reference Point
An object that helps determine if another object is moving.
Motion
When an object changes position over time relative to a reference point.
SI Unit for Speed
m/s
SI Unit for Acceleration
m/s²
(m/s/s)
International System of Units (SI)
A system of units that scientists use for measurement worldwide.
Distance
The length of a path between two points.
Average Speed
Total distance divided by total time.
Instantaneous Speed
The speed an object is moving at a given instant of time.
Slope
The steepness of a line on a graph; tells how fast one variable changes in relation to another variable on a graph.