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Potential and Kinetic Energy.

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Presentation on theme: "Potential and Kinetic Energy."— Presentation transcript:

1 Potential and Kinetic Energy

2 Potential Energy: (PE) The energy stored by an object as a result of its position.
Copyright © 2010 Ryan P. Murphy

3

4

5 Potential Enegy (PE) Kinetic Energy (KE)

6 Potential Enegy (PE) Kinetic Energy (KE)

7 Potential Enegy (PE) Kinetic Energy (KE)

8

9 Kinetic Energy is the energy of motion.
Potential Energy is the energy of position. Objects that are elevated have a high potential energy. Kinetic Energy is the energy of motion. Copyright © 2010 Ryan P. Murphy

10 Kinetic Energy is the energy of motion.
Potential Energy is the energy of position. Objects that are elevated have a high potential energy. Kinetic Energy is the energy of motion. Copyright © 2010 Ryan P. Murphy

11 Kinetic Energy is the energy of motion.
Potential Energy is the energy of position. Objects that are elevated have a high potential energy. Kinetic Energy is the energy of motion. Copyright © 2010 Ryan P. Murphy

12 Activity! Please write and plan on sharing a sentence about PE and KE about the animation below.
Copyright © 2010 Ryan P. Murphy

13 Activity! Please write and plan on sharing a sentence about PE and KE about the animation below.
Copyright © 2010 Ryan P. Murphy

14 The monkey has potential energy because of its position in the tree
The monkey has potential energy because of its position in the tree. When she lets go her potential energy is transferred into the energy of motion (KE). and Copyright © 2010 Ryan P. Murphy

15 The monkey has potential energy because of its position in the tree
The monkey has potential energy because of its position in the tree. When he lets go his potential energy is transferred into the energy of motion (KE). Copyright © 2010 Ryan P. Murphy

16

17 Potential Energy Elastic Potential

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19 Kinetic Energy

20 Potential Energy Kinetic Energy

21 Potential Energy Potential Energy Kinetic Energy

22 Potential Energy Kinetic Energy Potential Energy Kinetic Energy

23

24

25 Copyright © 2010 Ryan P. Murphy

26 Kinetic Copyright © 2010 Ryan P. Murphy

27 Kinetic Potential Copyright © 2010 Ryan P. Murphy

28 Kinetic Potential Potential Copyright © 2010 Ryan P. Murphy

29 Kinetic Potential Kinetic Potential Copyright © 2010 Ryan P. Murphy

30 Video Link! (Optional) Energy changes, Potential and Kinetic Energy.

31 Activity! PE – KE Skateboarder Simulator Search Phet Skate Board Demo.
Download program (Free) Copyright © 2010 Ryan P. Murphy

32 Law Conservation of Energy:

33 Law Conservation of Energy: Energy cannot be created or destroyed, only converted between one form and another.

34 Law Conservation of Energy: Energy cannot be created or destroyed, only converted between one form and another.

35 Law Conservation of Energy: Energy cannot be created or destroyed, only converted between one form and another.

36 Law Conservation of Energy: Energy cannot be created or destroyed, only converted between one form and another.

37 Law Conservation of Energy: Energy cannot be created or destroyed, only converted between one form and another.

38 Law Conservation of Energy: Energy cannot be created or destroyed, only converted between one form and another.

39 Discovery education video…

40 Discovery education video
During a bungee jump, the stored potential energy of the egg (PE = mgh) is converted into kinetic energy during the fall (KE = ½ MV²).

41 Discovery education video
During a bungee jump, the stored potential energy of the egg (PE = mgh) is converted into kinetic energy during the fall (KE = ½ MV²). The kinetic energy is converted back to potential energy as the bungee cord stretches.

42 Potential and Kinetic Energy
Video Link! (Optional) Potential and Kinetic Energy Be a proactive learner and record problems in your journal.

43 Copyright © 2010 Ryan P. Murphy

44 Kinetic Energy Copyright © 2010 Ryan P. Murphy

45 Kinetic Energy Copyright © 2010 Ryan P. Murphy

46 Translational Energy: Motion from one location to another.

47 Vibrational energy (sound)

48 Electrical energy: Flow of electrons.
Copyright © 2010 Ryan P. Murphy

49 Rotational energy.

50 Amount of KE depends on both the objects mass and its velocity / (speed).
Copyright © 2010 Ryan P. Murphy

51 Amount of KE depends on both the objects mass and its velocity / (speed).
Copyright © 2010 Ryan P. Murphy

52 Amount of KE depends on both the objects mass and its velocity / (speed).
Copyright © 2010 Ryan P. Murphy

53 Amount of KE depends on both the objects mass and its velocity / (speed).
Copyright © 2010 Ryan P. Murphy

54 Amount of KE depends on both the objects mass and its velocity / (speed).
Copyright © 2010 Ryan P. Murphy

55 Mechanical Energy (ME): Energy due to position and motion.
- Copyright © 2010 Ryan P. Murphy

56 Mechanical Energy (ME): Energy due to position and motion.
Sum of potential and kinetic energies, includes heat and friction. PE + KE = ME Copyright © 2010 Ryan P. Murphy

57

58 Color Key Areas with high potential energy and kinetic energy.
Activity! Please make a roller coaster on a page in your science journal. Color Key Areas with high potential energy and kinetic energy. Copyright © 2010 Ryan P. Murphy

59 Color Key Areas with high potential energy and kinetic energy.
Activity! Please make a roller coaster on a page in your science journal. Color Key Areas with high potential energy and kinetic energy. Copyright © 2010 Ryan P. Murphy

60 Color Key Areas with high potential energy and kinetic energy.
Activity! Please make a roller coaster on a page in your science journal. Color Key Areas with high potential energy and kinetic energy. Copyright © 2010 Ryan P. Murphy

61 When you lift an object, chemical energy (a form of potential energy) stored in the chemicals obtained from your digested food is converted into the mechanical energy (kinetic). Which is then used to move your body. Heat is produced Copyright © 2010 Ryan P. Murphy

62 When you lift an object, chemical energy (a form of potential energy) stored in the chemicals obtained from your digested food is converted into the mechanical energy (kinetic). Which is then used to move your body. Heat is released. Copyright © 2010 Ryan P. Murphy

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