Elastic Potential Energy Questions Elastic Potential Energy Elastic
![Elastic Potential Energy • • • Questions <? > Elastic Potential Energy Elastic Examples Elastic Potential Energy • • • Questions <? > Elastic Potential Energy Elastic Examples](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-1.jpg)
![Elastic Forces • Elastic Forces •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-2.jpg)
![Work done by relaxing spring • Work done by relaxing spring •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-3.jpg)
![2 types of Potential Energy • • KE+PE +PE KE+PE + PE 2 types of Potential Energy • • KE+PE +PE KE+PE + PE](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-4.jpg)
![Elastic Example • Elastic Example •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-5.jpg)
![Elastic & Gravitational Example I • Elastic & Gravitational Example I •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-6.jpg)
![Elastic & Gravitational Example I • Elastic & Gravitational Example I •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-7.jpg)
![Potential Energy Zero Point • For gravitational PE – Arbitrary, anywhere you like. • Potential Energy Zero Point • For gravitational PE – Arbitrary, anywhere you like. •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-8.jpg)
![Elastic & Gravitational Example II • Elastic & Gravitational Example II •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-9.jpg)
![Bungee Jump (cont) • Bungee Jump (cont) •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-10.jpg)
![Elastic & Gravitational Example III • Elastic & Gravitational Example III •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-11.jpg)
![Trampoline (cont) • Trampoline (cont) •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-12.jpg)
![Forces and Work • Gravity (Potential Energy) • Elastic (Potential Energy) • Electrostatic (Potential Forces and Work • Gravity (Potential Energy) • Elastic (Potential Energy) • Electrostatic (Potential](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-13.jpg)
![Additional Examples Additional Examples](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-14.jpg)
![Example I • Hanging vine • Only forces acting are gravity and tension in Example I • Hanging vine • Only forces acting are gravity and tension in](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-15.jpg)
![Example II • Skier Only forces acting are gravity and normal force Example II • Skier Only forces acting are gravity and normal force](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-16.jpg)
![Example III • Sled Only forces acting are gravity and normal force Since you Example III • Sled Only forces acting are gravity and normal force Since you](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-17.jpg)
![Example IV • Only forces acting are gravity and spring (both PE’s) Example IV • Only forces acting are gravity and spring (both PE’s)](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-18.jpg)
- Slides: 18
![Elastic Potential Energy Questions Elastic Potential Energy Elastic Examples Elastic Potential Energy • • • Questions <? > Elastic Potential Energy Elastic Examples](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-1.jpg)
Elastic Potential Energy • • • Questions <? > Elastic Potential Energy Elastic Examples Elastic + Gravitational Examples Non-conservative forces and friction
![Elastic Forces Elastic Forces •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-2.jpg)
Elastic Forces •
![Work done by relaxing spring Work done by relaxing spring •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-3.jpg)
Work done by relaxing spring •
![2 types of Potential Energy KEPE PE KEPE PE 2 types of Potential Energy • • KE+PE +PE KE+PE + PE](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-4.jpg)
2 types of Potential Energy • • KE+PE +PE KE+PE + PE
![Elastic Example Elastic Example •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-5.jpg)
Elastic Example •
![Elastic Gravitational Example I Elastic & Gravitational Example I •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-6.jpg)
Elastic & Gravitational Example I •
![Elastic Gravitational Example I Elastic & Gravitational Example I •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-7.jpg)
Elastic & Gravitational Example I •
![Potential Energy Zero Point For gravitational PE Arbitrary anywhere you like Potential Energy Zero Point • For gravitational PE – Arbitrary, anywhere you like. •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-8.jpg)
Potential Energy Zero Point • For gravitational PE – Arbitrary, anywhere you like. • For elastic PE – Must be at equilibrium! • For gravitational + elastic PE – Easiest to chose at elastic equilibrium for both – Gravitational (+) above (-) below
![Elastic Gravitational Example II Elastic & Gravitational Example II •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-9.jpg)
Elastic & Gravitational Example II •
![Bungee Jump cont Bungee Jump (cont) •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-10.jpg)
Bungee Jump (cont) •
![Elastic Gravitational Example III Elastic & Gravitational Example III •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-11.jpg)
Elastic & Gravitational Example III •
![Trampoline cont Trampoline (cont) •](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-12.jpg)
Trampoline (cont) •
![Forces and Work Gravity Potential Energy Elastic Potential Energy Electrostatic Potential Forces and Work • Gravity (Potential Energy) • Elastic (Potential Energy) • Electrostatic (Potential](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-13.jpg)
Forces and Work • Gravity (Potential Energy) • Elastic (Potential Energy) • Electrostatic (Potential Energy – next semester) • Molecular/ Nuclear (Potential Energy – take more physics) • Any other force whose work only depends on endpoints • Normal (Never does work) • Circular(Never does work) • Friction (Requires fudge factor) • Applied Forces (Requires fudge factor, or may not be appropriate for work/energy)
![Additional Examples Additional Examples](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-14.jpg)
Additional Examples
![Example I Hanging vine Only forces acting are gravity and tension in Example I • Hanging vine • Only forces acting are gravity and tension in](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-15.jpg)
Example I • Hanging vine • Only forces acting are gravity and tension in vine
![Example II Skier Only forces acting are gravity and normal force Example II • Skier Only forces acting are gravity and normal force](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-16.jpg)
Example II • Skier Only forces acting are gravity and normal force
![Example III Sled Only forces acting are gravity and normal force Since you Example III • Sled Only forces acting are gravity and normal force Since you](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-17.jpg)
Example III • Sled Only forces acting are gravity and normal force Since you know height, incline doesn’t matter (for frictionless)
![Example IV Only forces acting are gravity and spring both PEs Example IV • Only forces acting are gravity and spring (both PE’s)](https://slidetodoc.com/presentation_image_h2/186adcae89a11f9ee93fc664bd095575/image-18.jpg)
Example IV • Only forces acting are gravity and spring (both PE’s)
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