Uniform Acceleration

Review Basic Definitions – you should know these. In your own words, write a definition for

eachPosition:

Displacement:

Distance:

Speed:

Velocity:

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Acceleration

Definition

A body accelerates when it changes speed or direction or both. Average acceleration

is defined as the change in velocity divided by the time elapsed during the change in

velocity

Positive and Negative Acceleration

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Uniform Acceleration

Four Equations for Uniform Acceleration

Falling Bodies

Acceleration Due to Gravity – Free Fall

9.80 m/s2

Using the diagram to your right, you need to be able to:

1. explain why acceleration is uniform2. describe why velocity changes3. graph the motion of the ball in a velocity

time graph

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