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Unit 5: Energy

Explore Conservation of Energy, Roller Coaster Lab, Thrust Forces, and Work-Energy Theorem in exciting physics classes. Get ready for tests, practical activities, and engaging discussions!

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Unit 5: Energy

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  1. Unit 5: Energy

  2. Conceptual – Monday 1/28 Turn in Line Rider Lab Lab Recap Summative Scott Kelly Recap Line Rider Lab Discuss Conservation of Energy Roller Coaster lab next class! Unit 5 Review: 2/1 Unit 5 Test: 2/5

  3. Academic – Monday 2/4 Turn in Power Formative & Roller Coaster Lab Physics Fun Fact Review Power Formative Work on WET Formative & any outstanding Unit 5 work WET Formative due today  --------------------------------------------- Brief Summative on WET: 2/6 Unit 5 Review: 2/6 Unit 5 Test: 2/8

  4. Club Pictures TODAY!!!

  5. Club Pictures TODAY!!!

  6. Club Pictures TODAY!!!

  7. Physics Fun Fact! Thrust is a Force! Measured in Pounds [lbs] or Newtons…

  8. How much Thrust does a Space Shuttle Launch undergo? https://www.youtube.com/watch?v=OnoNITE-CLc

  9. Student Roller Coaster Designs!

  10. Conceptual – Thursday 1/24 • Pick up Line Rider Lab • Discuss Energy • Complete Lab (60+ Min) Turn in today! • Roller Coaster Lab Next Class!

  11. Semester 2 expectations • Formatives are due the day of the Unit Test • If you are absent for a Summative, you will complete it during the next class. • In-class Formative Folder • HW/Lab completion & Post-Lab Summatives (non-retakable) • May not give notice for these.

  12. Work What is work?

  13. Work • Work: The measure of an energy transfer that occurs when an object is moved over some distance by an external force. W = F ∙ d Unit: Joule [ J ]

  14. Power What is Power?

  15. Power • Power: The rate at which work is done. i.e. the amount of Work per unit Time Unit: Watt [ W ] https://www.e-education.psu.edu/egee401/content/p1_p3.html

  16. Potential Energy The storage of energy within an object Gravitational Potential Energy – The energy stored in an object due to its placement in a gravitational field. i.e. Object’s higher off the ground have MORE Potential Energy! [ J ]

  17. Kinetic Energy The energy of motion! This can be calculated for an object with mass, m and velocity, v [ J ]

  18. https://www.youtube.com/watch?v=kP7q28wQ2P8 Conservation of Energy Energy cannot be created nor destroyed, it can only be converted from one form to another.

  19. Types of Energy Potential • Gravitational • Chemical • Elastic • Magnetic • Nuclear Kinetic • Motion • Thermal (Heat) • Sound • Radiant (Light) • Electrical https://www.solarschools.net/knowledge-bank/energy/types

  20. What type of Energy?

  21. What type of Energy?

  22. What type of Energy?

  23. What type of Energy?

  24. What type of Energy?

  25. What type of Energy?

  26. What type of Energy?

  27. Power Formative • A 1,500 kg stock car is racing down the race track at 75 m/s. The driver accelerates the car to a velocity of 90 m/s in 3.2s to avoid getting passed. • How much Power is needed to accelerate the car? • Calculate how much horsepower the car has

  28. Work-Energy Theorem (WET) The WET introduces a relationship between Work and Energy. Remember, both are measured in Joules [ J ] Revisit the previous Power Formative problem and solve it using this method

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