Review for Motion Quiz

David walks 3 km north, and then turns east and walks 4 km. What is the distance?

• 7 km

• 4 km

• 3 km

• 1 km

Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home. What is Bill's distance?

• 0 meters

• 400 meters

• 800 meters

• 1600 meters

Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home. What is Bill's displacement?

• 0 meters

• 400 meters

• 800 meters

• 1600 meters

A person walks 50 meters directly north, stops, and then travels 32 meters directly south. What is their displacement?

• 82

• 28

• 18

Billy was driving his car and when he reached the tollbooth he slowed from 190m/s to 12m/s in 20 second. What is his acceleration?

• 9.8m/s²

• -8.9m/s²

• 8.9m/s²

• -9.8m/s²

A wagon goes 35 meters and accelerates to 60 meters in 5 seconds. What was the wagon’s acceleration?

• 25 m/s²

• 6 m/s²

• 5 m/s²

• 30 m/s²

The rate that a car's velocity changes is its

• speed

• force

• gravity

• acceleration

A negative acceleration means that your object is _____. 

• not accelerating
• not moving
• speeding up 
• slowing down 

A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?

• 24 m/s²
• 18 m/s²
• 16 m/s²
• 16 m/s

Tags

NGSS.MS-PS2-2

A school bus drives 35 mph down the street and slows as it approaches the stop sign.  This is an example of..

• acceleration
• speed
• velocity
• force

Tags

NGSS.MS-PS2-2