University:
California Institute of Technology
Course:
EE/APh 40 | Physics of Electrical Engineering
Academic year:

2024
Views:

334

Pages:

3
Author:

Jamari Mcgrath

Energy Forms and Changes Simulation 1. Which energy source causes the solar panel to gen- The sun erate electrical energy? 2. Why must a cyclist be fed in order to continue to pedal? Food gives energy 3. Mechanical energy generates what kind of energy? electrical 4. Energy that causes water temperature to increase is thermal called what? 5. What kind of light bulb is the more efficient? fluorescent 6. What common form of energy is not kinetic, potential, sound electrical, thermal or mechanical? 7. Examples of mechanical energy is what? wind blowing and water moving up a well 8. An example of gravitational energy is what? a water tank 5 feet above ground 9. Mechanical energy is the sum of which 2 energies? potential and kinetic 10. What does the law of conservation of energy state? Energy cannot be created or destroyed 11. If an object changes motion, kinetic energy changes Potential energy to ________________. 12. If an object changes motion, potential energy changes Kinetic energy to ___________. 13. When a ball leaves your hand, it will have the most _________ energy 14. 1/3 Kinetic When a ball reaches its highest point, it will have the gravitational pomost ___________ energy. tential 15. When a ball travels through the air, the total energy remains _______________. the same 16. The law of conservation of energy states that even transferring though energy is always ______________, energy is not created or destroyed. 17. One sign that an ________________ has take place is energy transfer a change in an object's motion. 18. One sign that an energy transfer has take place is a change in the _______________ of a system. sound 19. An example of mechanical energy is a pendulum swinging because it has _______________. mass and speed 20. When there is friction between surfaces, _______________ is transferred out of a system. thermal energy 21. Kinetic energy is the energy of _____________. motion 22. Potential energy of an object depends on its height and______________. mass 23. Another way to describe potential energy is _____________ energy. stored 24. When you move your hand or foot, your body has ____________ potential energy into kinetic energy. converted 25. By pouring water out of a bucket or moving a bucket to decrease the ground, you ______________ the potential energy of a bucket full of water sitting on a bench. 26. When coasting during roller skating, you eventually stop due to ______________. 2/3 friction 27. A ball has the greatest potential energy when it's at its highest ______________point. 28. When a child goes down a slide, the potential energy increases decreases and the kinetic energy ____________. 29. A coiled spring used to help a door close has _______________ when the door is open. elastic potential 30. After braking, a bicycle's tires increase in _________________ as friction causes some of the mechanical energy to transfer to thermal energy. temperature 31. The kinetic energy of an object is directly _______________ to the square of its speed. proportional 32. To arrange books on a shelf for the greatest overgreatest all potential energy, place the books in order of _______________ mass to least mass from the top of the shelf. 3/3