1004_chap15

1004_chap15 - ME240Dynamics Chapter15. EnergyMethods...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 15. Energy Methods Particles ME 240 Dynamics
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Quiz 1 Review Monday Work and Kinetic Energy (15.1) HW: 15.9, 15.14 Supplemental Problems: 15.15 Agenda
Background image of page 2
ME 240 Quiz 1 Results (sections 2 and 3) 50 60 70 80 90 100 0 10 20 30 40 Scores Average: 82 ( 9) Distribution 92 100 12 88 92 15 83 88 28 78 83 26 70 78 23 60 70 7 <60 2 Notes 15% final grade Questions / Concerns Please contact me
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Principle of Work and Energy From Chapter 14 dv Fm dt    2 1 21 11 22 12 r r Fd r m v v m v v Um v m v Then after some manipulations and integrations, we end up with If we dot both sides by velocity v dv Fv m v dt Principle of Work and Energy: The (external) work done on an object as it moves between two positions equals the change in its kinetic energy
Background image of page 4
Evaluating the Work      1 1 12 ˆ tt s t s Fd r Fe d s F d s thus UF d s
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 9

1004_chap15 - ME240Dynamics Chapter15. EnergyMethods...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online