01-23-08 - Introduction To Work

Where we have been ,[object Object],[object Object],[object Object],[object Object],[object Object]

Where we are going ,[object Object],[object Object],[object Object]

Definition of “work” ,[object Object],[object Object],[object Object]

Physics Definition of “Work” ,[object Object],[object Object],[object Object],[object Object]

Work ,[object Object],[object Object],[object Object],[object Object],[object Object]

Everyday Examples of “Work” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Work ,[object Object],[object Object],[object Object]

Work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

New Unit! ,[object Object],[object Object],[object Object],[object Object]

Defining Θ – “the angle” ,[object Object],[object Object],[object Object],F d Θ = 0 degrees 0° - 0° = 0° Subtract the smaller angle from the larger angle to determine the angle “between” the vectors

Defining Θ – “the angle” ,[object Object],F d Θ = 180 degrees 180° - 0° = 180° Subtract the smaller angle from the larger angle to determine the angle “between” the vectors

Defining Θ – “the angle” ,[object Object],F d Θ = 90 degrees 90° - 0° = 90° Subtract the smaller angle from the larger angle to determine the angle “between” the vectors

To Do Work, Forces must CAUSE Displacement ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Meaning of Negative Work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Meaning of Negative Work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example of Work ,[object Object],[object Object],[object Object]

Work Problems ,[object Object],[object Object],[object Object],[object Object]

Work Problems ,[object Object],[object Object]

Work Done By “Lifting” Something ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Work Done By “Lifting” Something ,[object Object],[object Object],[object Object],[object Object],[object Object]

01-23-08 - Introduction To Work

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