Phy221 ch9 work and pe
Download
1 / 4

PHY221 Ch9: Work and PE - PowerPoint PPT Presentation


  • 115 Views
  • Uploaded on

PHY221 Ch9: Work and PE. Recall main points: W non -conservative =  E mechanical Force from potential energy: Discussion and examples Foundation: work energy theorem: W = K Example of use of both energy and NII: Rollercoaster. PHY221 Ch9: Work and PE. Main Points.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' PHY221 Ch9: Work and PE' - zanna


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
Phy221 ch9 work and pe

PHY221 Ch9: Work and PE

  • Recall main points:

    • Wnon-conservative=Emechanical

    • Force from potential energy:

  • Discussion and examples

    • Foundation: work energy theorem: W=K

    • Example of use of both energy and NII: Rollercoaster


Phy221 ch9 work and pe1

PHY221 Ch9: Work and PE

Main Points

  • Wnon-conservative=Emechanical

Proof:

  • Force from PE :

Proof:


Phy221 ch9 work and pe2

PHY221 Ch9: Work and PE

Discuss

Problem: Start at top (y=h) at v =0. Loop-the-loop of radius R from ground; find max R for not falling off car w/out seatbelt.

Problem: Block down frictionless incline of height h into surface with kinetic friction mk. Distance d to stop block.



ad