Acceleration

What is velocity?

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

Of the following, which is a vector?

• Mass
• Time
• Speed
• Velocity

Acceleration: is the rate of change in ___________.

• speed
• distance
• velocity 
• displacement 

Which of these are acceleration?

• Speeding up

• Slowing Down

• Changing directions

• All of the above

Acceleration only takes place when things speed up. 

• True
• False

In each of the following cases, determine where the car has no acceleration ?

• A car shortly after a stoplight turns green.
• A car approaching a red light
• A car with the cruise control set at 80 km/h
• A car turning a curve at a constant speed

In which of the following situations would a car be speeding up while traveling forward?

• positive velocity and positive acceleration

• positive velocity and negative acceleration

• negative velocity and positive acceleration

• negative velocity and negative acceleration

In which of the following situations would a car be slowing down while traveling forward?

• positive velocity and positive acceleration

• positive velocity and negative acceleration

• negative velocity and positive acceleration

• negative velocity and negative acceleration

Which of the following is a unit for acceleration?

• km/s
• m/s²
• mi/hr
• ft

A negative acceleration means that your object is _____. 

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