Motion, Acceleration, and Force
What can a distance-time graph be used for?

 
 

What is the difference between speed and velocity?
 
 

How do you calculate velocity?
 
 

What is momentum and how do you calculate it?
 
 

What is the momentum of a 7.3 g bullet moving at 221 m/s?
 
 
 

What is the momentum of a 3200 kg car moving at 2.7 m/s?
 
 

What is acceleration and how do you calculate it?
 
 

What does negative acceleration mean?
 
 

If a skateboardist increases speed from 0 m/s to 2.5 m/s in 4 seconds, what is her acceleration?
 
 

What is the acceleration if a car slows from 12.5 m/s to 8.2 m/s over 1.3 s?
 
 
 

Draw the following:
a position-time graph showing a constant velocity
 
 
 

a velocity-time graph showing a constant velocity
 
 
 

Draw the following:
a position-time graph showing a decreasing velocity
 
 
 

a velocity-time graph showing a decreasing velocity
 
 
 

What happens when forces are unbalanced?
 
 

What happens when forces are balanced?
 
 

What is friction?
 
 

What effects does friction have on velocity?
 
 

Summary: What are three ways an objectís velocity can change?
 
 


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