Unit 2 Forces of Motion Lessons 1-4 Review

A quantity that needs both magnitude and direction to be fully described.

• Vector

• Scalar

A quantity described by magnitude and does not need direction

• Vector

• Scalar

Speed is

• Vector

• Scalar

Velocity is

• Vector

• Scalar

Distance over Time is the definition of ___. 

• Speed
• Velocity
• Acceleration
• Direction

_____ is how fast an object moves in a specific direction.

• velocity
• speed
• displacement
• distance

Acceleration is

• Vector

• Scalar

Is the following speed, velocity, or acceleration?

-87 m/s²

• Speed

• Velocity

• Acceleration

m/s² is a unit of

• speed

• velocity

• acceleration

• time

How do I recognize that something is an acceleration?

• It is divided by time twice (m/s/s)
• It is divided by time (m/s)
• The problem is talking about velocity
• The problem talks about distance change