12 terms

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)

(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.