forms of energy & energy conversions. forms of energy mechanical energy: related to motion of...
TRANSCRIPT
![Page 1: Forms of Energy & Energy Conversions. Forms of Energy Mechanical Energy: Related to motion of objects –Ex : moving machine parts Windmill Engine piston](https://reader033.vdocument.in/reader033/viewer/2022061305/55144437550346414e8b4af6/html5/thumbnails/1.jpg)
Forms of Energy &Energy Conversions
![Page 2: Forms of Energy & Energy Conversions. Forms of Energy Mechanical Energy: Related to motion of objects –Ex : moving machine parts Windmill Engine piston](https://reader033.vdocument.in/reader033/viewer/2022061305/55144437550346414e8b4af6/html5/thumbnails/2.jpg)
Forms of Energy
•Mechanical Energy: Related to motion of objects – Ex : moving machine parts
Windmill Engine piston
![Page 3: Forms of Energy & Energy Conversions. Forms of Energy Mechanical Energy: Related to motion of objects –Ex : moving machine parts Windmill Engine piston](https://reader033.vdocument.in/reader033/viewer/2022061305/55144437550346414e8b4af6/html5/thumbnails/3.jpg)
Thermal Energy
• Related to heat
•Thermal Energy = total KE and PE of all particles in an object– Particles in matter are constantly
moving
![Page 4: Forms of Energy & Energy Conversions. Forms of Energy Mechanical Energy: Related to motion of objects –Ex : moving machine parts Windmill Engine piston](https://reader033.vdocument.in/reader033/viewer/2022061305/55144437550346414e8b4af6/html5/thumbnails/4.jpg)
Chemical Energy(type of potential energy)
• Energy stored in chemical bonds within a substance
Ex: Gas, food, human body, battery
![Page 5: Forms of Energy & Energy Conversions. Forms of Energy Mechanical Energy: Related to motion of objects –Ex : moving machine parts Windmill Engine piston](https://reader033.vdocument.in/reader033/viewer/2022061305/55144437550346414e8b4af6/html5/thumbnails/5.jpg)
Elastic Energy(type of potential energy)
• Energy stored in a compressed material– Example: rubber band, spring
![Page 6: Forms of Energy & Energy Conversions. Forms of Energy Mechanical Energy: Related to motion of objects –Ex : moving machine parts Windmill Engine piston](https://reader033.vdocument.in/reader033/viewer/2022061305/55144437550346414e8b4af6/html5/thumbnails/6.jpg)
Electrical Energy
• Energy of Electric Charges
![Page 7: Forms of Energy & Energy Conversions. Forms of Energy Mechanical Energy: Related to motion of objects –Ex : moving machine parts Windmill Engine piston](https://reader033.vdocument.in/reader033/viewer/2022061305/55144437550346414e8b4af6/html5/thumbnails/7.jpg)
Electromagnetic Energy
• Energy traveling in the form of waves
• X-rays Visible light
![Page 8: Forms of Energy & Energy Conversions. Forms of Energy Mechanical Energy: Related to motion of objects –Ex : moving machine parts Windmill Engine piston](https://reader033.vdocument.in/reader033/viewer/2022061305/55144437550346414e8b4af6/html5/thumbnails/8.jpg)
Nuclear Energy
• Energy stored in nucleus of an atom
• Nuclear Power plants convert nuclear energy to electricity
![Page 9: Forms of Energy & Energy Conversions. Forms of Energy Mechanical Energy: Related to motion of objects –Ex : moving machine parts Windmill Engine piston](https://reader033.vdocument.in/reader033/viewer/2022061305/55144437550346414e8b4af6/html5/thumbnails/9.jpg)
Energy conversions
•Law of conservation of energy:
•Energy cannot be created or destroyed, only converted from one form to another
![Page 10: Forms of Energy & Energy Conversions. Forms of Energy Mechanical Energy: Related to motion of objects –Ex : moving machine parts Windmill Engine piston](https://reader033.vdocument.in/reader033/viewer/2022061305/55144437550346414e8b4af6/html5/thumbnails/10.jpg)
Impact crater in Arizona formed within past 20 yrsLarge KE of meteor converted to large amount of thermal energy vaporizing everything inClose proximity
![Page 11: Forms of Energy & Energy Conversions. Forms of Energy Mechanical Energy: Related to motion of objects –Ex : moving machine parts Windmill Engine piston](https://reader033.vdocument.in/reader033/viewer/2022061305/55144437550346414e8b4af6/html5/thumbnails/11.jpg)
Energy conversions•Light bulb : converts electrical into
thermal and electromagnetic energy
•Compressed Spring: converts potential to kinetic
•Burning wood: stored chemical energy converted to thermal and electromagnetic
![Page 12: Forms of Energy & Energy Conversions. Forms of Energy Mechanical Energy: Related to motion of objects –Ex : moving machine parts Windmill Engine piston](https://reader033.vdocument.in/reader033/viewer/2022061305/55144437550346414e8b4af6/html5/thumbnails/12.jpg)
If friction is ignored total mechanical energy will remain constant
(KE + PE) start = (KE + PE)end
Pendulum would swing forever!!!
Energy Conversion in a Pendulum
![Page 13: Forms of Energy & Energy Conversions. Forms of Energy Mechanical Energy: Related to motion of objects –Ex : moving machine parts Windmill Engine piston](https://reader033.vdocument.in/reader033/viewer/2022061305/55144437550346414e8b4af6/html5/thumbnails/13.jpg)
Viewing a Pendulum
• Pendulum Energy Conversion