Review: Motion

Front

A place or object used for comparison to determine if another object is in motion is called a

Back

reference point

Front

A distance vs. time graph shows an object's

Back

speed

Front

Speed =

Back

distance / time

Front

You walk 10 meters to math class in 20 seconds. Your average speed is? Options: 2 m/s, 0.5 m/s, 200 m/s, 5 m/s

Back

0.5 m/s

Front

On a distance-versus-time graph, a straight line ALWAYS indicates that an object’s speed is _____. Options: constant, zero, increasing, decreasing

Back

zero

Front

Change in speed over a given period of time is

Back

acceleration

Front

On a distance vs. time graph, the steeper the slope _____

Back

the faster the speed

Front

The rate at which velocity changes is called

Back

acceleration

Front

What is the SI unit for acceleration?

Back

m/s²

Front

When something has speed in a certain direction it is called ___________. Options: motion, position, velocity, speed

Back

velocity