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emilygao
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What is the difference between speed and velocity?
Speed is a scalar quantity, velocity a vector

What is average velocity?
Rate of change in an object's displacement

What is the difference between distance and displacement?
Distance is a scalar quantity, displacement is a vector

What is average acceleration?
Rate of change in an object's velocity

What forces are acting on an object during freefall?
Only gravity

What is the acceleration of gravity?
9.8 m/s

How do you graph velocity vs. time from a position vs. time graph?
Slope

How do you graph position vs. time from a velocity vs. time graph?
Area

How do you graph an acceleration vs. time graph from a velocity vs. time graph?
Slope

How do you graph a velocity vs. time graph from a acceleration vs. time graph?
Area

What is required in a free body diagram?
Object, all forces acting on object, forces, and magnitude of forces


What is net force?
The overall resultant force on an object

What are the two Newton's Laws of Motion learned?
 An object at rest tends to stay at rest; an object in motion tends to stay in motion
 The acceleration of an object is directly proportional to the net force acting on it but inversely proportional to its mass

