Motion: Speed, Velocity, Acceleration

If you traveled 12 meters in 10 seconds going south, what would your velocity be?

• 100m per second south

• 10m per second south

• 1.2 meters per second south

• 12m per second

A stopped car begins moving and reaches a speed of 25m/s in 5 seconds. What is its acceleration?

• +25m/s²

• -0m/s²

• +5m/s²

• 5m/s

Tags

NGSS.MS-PS2-2

What is velocity?

• the quickness of an object

• the location of an object

• acceleration

• speed in a specific direction

A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 seconds

Tags

NGSS.MS-PS3-1

The change in speed or direction something's motion in a single unit of time

Acceleration: is the rate of change in ___________.

• speed

• distance

• velocity 

• displacement 

Acceleration occurs when an object changes its speed or ______.

• direction

• force

• inertia

• mass

Tags

NGSS.MS-PS2-2

Acceleration occurs when an object changes its speed or (a)  

• direction

• force

• inertia

• mass

Tags

NGSS.MS-PS2-2

Total distance divided by total time is

• average speed

• constant speed

• instantaneous speed

• acceleration

Velocity is both ____ and _____. 

• speed , direction 

• direction, mass

• volume, density 

• direction, magnitude