Physics First: Semester 1 Review

Velocity includes speed and __________________.

• Magnitude

• Direction

• Units

• Displacement

Which of the following is a unit for acceleration?

• mi/hr

• km/s

• m/s/s

• Ft

What are the three ways an object can accelerate?

• It speeds up

• It slows down

• It only speeds up

• It changes direction

What force affects an object in free fall?

• Gravity

• Friction

• No force

• Tension

Objects that fall to the earth fall at an acceleration of...

• 2 m/s²

• 5 m/s²

• 9.8 m/s²

• 6 m/s²

Displacement is distance combined with...

• Velocity

• Speed

• Direction

• Acceleration

I biked 5km to school. Is this an example of distance or displacement?

• Distance

• Displacemeent

I drove 25km South to the my friends house. Is this an example of distance or displacement?

• Distance

• Displacement

Motion is described with respect to a

• Graph

• Slope

• Displacement

• Frame of reference

What does this graph represent?

• Moving at constant speed

• Speeding up

• Not moving (at rest0

• Slowing down