Work

1
Work Power
2
Work

• product of force and distance
• W F x d W work
• F Force
• d Distance

3
Work

• For work to occur two things must happen
• The object has to move
• The object has to move in the same direction as
  the applied force

4
Calculating Work

• W Force (Newtons) x distance (meters)
• Units of Work Joule
• 1 Joule Newton x meter

5
Power

• Power is the rate of doing work
• how fast or slow work is done
• Doing work faster more power
• Ex snow blower clears snow faster than shoveling

6
Calculating Power

• Power Work/Time
• Units for power are the Watt
• 1 Watt Joule/Sec.

James Watts Steam Engine
7
Units of Power

• Horsepower English Unit
• 1 HP 746 Watts

Corvette