1. 1. ​ ​ (a)   is the total path followed

   1. 2. ​ (b)   is the change in position

• Distance
• Displacement

Distance and direction of an object's change in position from a starting point

• displacement
• distance
• motion
• reference point

 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?

• 800

• 400

• 0

• 200

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

Jerry walked from home to school, then from the school to the park. What is his total distance?

• 2 km

• 5 km

• 8 km

• 10 km

Jerry walked from home to school, then from the school to the park. What is his total displacement?

• 2 km E

• 5 km N

• 8 km S

• 10 km W

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

• 82 meters
• 18 meters north

• 28 meters
• 18 meters south

1. 1. Distance is a ​ ​ (a)   measurement because it measures how far the object travels

2. 2. Displacement is a ​ (b)   measurement because it measures both distance and direction

• scalar
• vector