Motion Vocabulary

What does "motion" refer to?

• Any change in position

• A quantity with only size and no direction

• Distance over time

• Change in velocity over time

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

What is a "scalar"?

• A quantity with only size and no direction

• A quantity with both size and direction

• Your change in position

• Distance over time

What is a "vector"?

• A quantity with both size and direction

• A quantity with only size and no direction

• Distance over time

• Change in velocity over time

How is "distance" defined?

• How far you have traveled in any direction

• Your change in position

• Displacement over time

• Change in velocity over time

How is "speed" defined?

• Distance over time

• Displacement over time

• Change in velocity over time

• Average change in velocity over time

Tags

NGSS.HS-PS4-1

What does "acceleration" refer to?

• Change in velocity over time

• Distance over time

• Displacement over time

• Average change in position over time

Tags

NGSS.HS-PS2-1

How is "average velocity" calculated?

• x2−x1/t2−t1

• v2−v1/t2−t1

• d2−d1/t2−t1

• a2−a1/t2−t1

• 1 s

Tags

NGSS.HS-PS2-1

What does the slope of a position vs time graph represent?

• Acceleration

• Displacement

• Velocity

• Time

What is represented by the area between the curve and the horizontal axis on a velocity vs time graph?

• Velocity

• Acceleration

• Displacement

• Time