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Work, Energy and Power PHF02 Week 5
Tutorial questions for next wk ,[object Object],[object Object],[object Object]
What is Energy? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Some Energy Considerations ,[object Object],[object Object],[object Object]
Work ,[object Object],[object Object],[object Object],[object Object],F
The work,  W , done by a constant force on an object is defined as the product of the component of the force along the direction of displacement and the magnitude of the displacement
Work, cont. ,[object Object],[object Object],[object Object]
More About Work ,[object Object],[object Object],[object Object]
Work and Dissipative Forces ,[object Object],[object Object],[object Object],[object Object]
Kinetic Energy ,[object Object],[object Object],[object Object]
Work-Kinetic Energy Theorem ,[object Object],[object Object],[object Object]
Lets Check!
[object Object],[object Object]
 
Work and Kinetic Energy ,[object Object],[object Object]
Types of Forces ,[object Object],[object Object],[object Object],[object Object],[object Object]
Conservative Forces ,[object Object],[object Object],[object Object]
More About Conservative Forces ,[object Object],[object Object],[object Object],[object Object],[object Object]
Nonconservative Forces ,[object Object],[object Object],[object Object]
Example 1 ,[object Object],[object Object]
 
[object Object]
Gravitational Potential Energy ,[object Object],[object Object],[object Object]
Work and Gravitational Potential Energy ,[object Object],[object Object]
Work-Energy Theorem, Extended ,[object Object],[object Object]
Conservation of Mechanical Energy ,[object Object],[object Object],[object Object],[object Object]
Conservation of Energy, cont. ,[object Object],[object Object]
Example 2 ,[object Object]
Example 3 ,[object Object]
Potential Energy Stored in a Spring ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Potential Energy in a Spring ,[object Object],[object Object]
Work-Energy Theorem Including a Spring ,[object Object],[object Object],[object Object],[object Object]
Conservation of Energy Including a Spring ,[object Object],[object Object]
Nonconservative Forces with Energy Considerations ,[object Object],[object Object]
Nonconservative Forces and Energy ,[object Object],[object Object]
Transferring Energy ,[object Object],[object Object],[object Object]
Transferring Energy ,[object Object],[object Object],[object Object]
Transferring Energy ,[object Object],[object Object],[object Object]
Transferring Energy ,[object Object],[object Object],[object Object]
Transferring Energy ,[object Object],[object Object],[object Object]
Power ,[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
Center of Mass ,[object Object],[object Object]
Work Done by Varying Forces ,[object Object]
Spring Example ,[object Object],[object Object]
Spring Example, cont. ,[object Object],[object Object],[object Object]
Example 4 ,[object Object]
Example 5 ,[object Object]
God bless Fiji at Hong Kong Stadium!
Final Question! ,[object Object]

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Work Energy And Power

  • 1. Work, Energy and Power PHF02 Week 5
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  • 6. The work, W , done by a constant force on an object is defined as the product of the component of the force along the direction of displacement and the magnitude of the displacement
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  • 49. God bless Fiji at Hong Kong Stadium!
  • 50.