Motion, Direction, Acceleration!!!

A negative acceleration means that your object is _____. 

• not accelerating
• not moving
• speeding up 
• slowing down 

A rightward-moving motorcycle increases its speed from 5.0 m/s to 25.0 m/s. Is the motorcycle accelerating?
 

• Yes
• No

A motorcycle increases its speed from 5.0 m/s to 25.0 m/s over 5 seconds. What is the motorcycles acceleration?

• 4 m/s/s

• 4 m/s

• 25 m/s

• -4 m/s/s

A biker is riding east at +10m/s if he accelerates at a rate of +25m/s² what is the change in motion of the rider?

• slowing down

• constant velocity

• speeding up

• constant position

Acceleration is defined as the CHANGE in

• time it takes for one place to move to another place.

• velocity of an object.

• distance divided by the time interval

• change in velocity divided by the time

Acceleration only takes place when things speed up. 

• True
• False

Which of the following is a unit for acceleration?

• km/s
• m/s²
• mi/hr
• ft

Can be measured in meters per second (m/s)

• Distance
• Time
• Speed
• Acceleration

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

Acceleration can be classified as _______________

• Speeding up
• Slowing Down
• Changing directions
• All of the above