Measuring Motion and Forces

Katie is running the 400 m dash. She finishes with a time of 100 seconds. What is her average speed?

• 40 m/s
• 10 m/s
• .25 m/s
• 4 m/s

You are riding on a train traveling 50 m/s east. A fire brakes out in your car and you sprint to the front of the train at 10 m/s east. What is your resultant velocity?

• 5 m/s east
• 60 m/s 
• 60 m/s east
• 5 m/s

Tags

NGSS.HS-PS2-1

A race-car driver accelerates his car to 50 m/s in 10 s. Assuming his starting velocity was 0 m/s, what was his average acceleration?

• 5 m/s
• 0.2 m/s²
• 5 m/s²
• 60 m/s

Tags

NGSS.HS-PS2-1

When an object changes position relative to another object or "reference point."

• speed
• velocity
• acceleration
• motion

the relationship of distance divided by time

• speed
• velocity
• acceleration
• motion

distance divided by time + direction

• velocity
• speed 
• acceleration
• motion

change in velocity divided by the amount of time it took to change velocity.

• velocity
• speed
• acceleration
• motion

What is another name for circular motion?

• centripetal motion
• centripetal acceleration
• centripetal velocity
• centripetal speed

push or pull

• force
• newton
• net force
• acceleration

SI unit of force

• Force
• Krohn
• Newton
• Einstein 

Tags

NGSS.MS-PS2-1