Distance and 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 N

• 18 meters N

• 18 meters S

• 82 meters S

A car drives 84 meters forward.  It's displacement and distance would be the same magnitude.

• True

• False

A place or object (like a stop sign or mailbox) used for comparison to determine if another object is in motion is called a

• comparison point

• frame of reference

• point of view

• motion detector

The unit for distance is:

• m
• s
• m/s

After completing one trip on a roller coaster, the roller coaster's ________ is zero.

• displacement
• reference point
• length
• distance