motion

What is a reference point?

• A place or object that is staying still, that is used to determine if something else is moving.

• A place or spot where something is located

• The action of moving or being moved

• Shortest distance between starting position and ending position

Owen walks 3 meters to his friends house and then they walk 5 meters to Sonic to get drinks. What is his displacement?

• 5 meters

• 8 meters

• 3 meters

• 8 miles

Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?

• 10
• 7
• 8
• 6

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

• 800
• 400
• 0
• 200

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

• 7 km
• 3 km
• 4 km
• 1 km

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

• 5 km

• 8 km

• 10 km

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

• 82 meters
• 18 meters
• 28 meters

Ivan walks 10 meters west to the water fountain, then runs 12 meters south to his class to avoid a lockout. His displacement would be:

• 2 meters

• 244 meters, SW

• 15.6 meters, SW

• 22 meters

What is the difference between instantaneous speed and average speed?

• Average speed happens in a particular instant, Instantaneous speed is the speed of an object over a longer period of time.
• Instantaneous speed is never right, average speed is always right
• Instantaneous speed happens in a particular instant, Average speed is the speed of an object over a longer period of time.
• Do not pick this answer