Motion Unit

What is the distance of a person that walks 40m North then 20m South?

• 60m

• 60m North

• 20m

• 20m North

What is the displacement of a person that walks 40m North then 20m South?

• 60m North

• 20m South

• 20m North

• 60m South

Which of the following is a unit of acceleration?

• m/s

• km/s

• s

• m/s²

What is the speed of an object that travels 20m for 5s?

• 100m/s

• 100m/hr

• 4m/s

• 4m/hr

If an object's velocity changes from 25m/s to 15m/s in 2s, what is the acceleration?

• -13m/2²

• 5m/s²

• 7.5m/s²

• -5m/s²

A runner runs at a speed of 100m/s for 7 s. How far did the runner run?

• 14.28m

• 700m

• 100m

Which runner stopped for a rest?

• Albert
• Bob
• Charlie

What does this graph represent?

• Constant Speed
• Acceleration
• Not moving

What does this graph represent?

• Constant speed
• Acceleration
• Not moving

Which of the following is the closest match to the definition of motion?

• An objects change in position relative to a reference point
• The change in position of an object
• Constant speed