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What is Motion?
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Motion is an event that involves a change in the position or location of something.
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How is motion described?
Motion is described in terms of speed, velocity, and acceleration.
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Speed Speed is a comparison of time and distance.
Speed is expressed as distance traveled per unit time, for example miles per hour.
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How do I find speed? Speed is calculated using the following formula: Speed is equal to Distance divided by Time. The formula can be rearranged to solve for different variables. S = d / t T = d / s D = s x t D S T
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Constant Speed Speed that does not change
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So, exactly what is Velocity?
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Velocity Speed AND direction
If my SPEED is 25 m/sec and I am traveling south, my VELOCITY is 25 m/sec south
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What is Acceleration?
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You may think that Acceleration means speeding up, but…
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Acceleration is a change in velocity (speed or direction)
Acceleration is caused by unbalanced forces There are many ways to accelerate…
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Positive acceleration
Types of Acceleration Speeding up Positive acceleration
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Negative acceleration
Types of Acceleration Slowing down Negative acceleration Slowing down Negative acceleration
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Types of Acceleration Stopping
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Changing direction (turning)
Types of Acceleration Changing direction (turning)
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How do you calculate Acceleration?
(Final Speed – Initial Speed) Time Unit of measurement = m/s2
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