Motion basics

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

• displacement
• distance
• motion
• reference point

The total length traveled is known as

• distance.

• displacement.

• reference point.

• wrong answer.

A ______________ quantity is fully described by a number and unit alone.

• scalar

• vector

A __________ quantity will always include a direction, not just a number and unit.

• scalar

• vector

Tags

NGSS.HS-PS3-5

You walk 5 meters. Is this 1) distance or displacement, and 2) a scalar or a vector quantity?

• distance, scalar

• displacement, scalar

• distance, vector

• displacement, vector

You walk 10 meters to the west. Is this 1) distance or displacement, and 2) a scalar or vector quantity?

• distance, scalar

• displacement, scalar

• distance, vector

• displacement, vector

You drive 2 km to school and then 2 km back home. What is your distance travelled?

• 0 km. You are back where you started.

• 4 km. 2+2 = 4.

• 5 km. 2+2 = 5.

Juan rides his bike from point A to point B, then on to point C. What is the distance he has traveled?

• 3m

• 4m

• 5m

• 7m

Juan rides his bike from point A to point B, then on to point C. What is his displacement?

• 3m

• 4m

• 5m

• 7m

A place or object used for comparison to determine if another object is in motion is called a

• comparison point
• reference point
• point of view
• motion detector