Watch the videos below, and examine the yellow Total Energy bar.
* You only need to watch the first 30 seconds or so for No Friction - just enough to be able to make some observations. For the Friction Track, watch at least until about 1:35.
Track with No Friction:
Track with Friction Added:
What do you notice about the total energy? (You can even play both videos at the same time if you want to compare.)
Watch the videos again, this time paying attention to the Potential Energy, Kinetic Energy, and Thermal Energy bars. Record your observations in the table below.
Track with No Friction:
Track with Friction Added:
Question 3
3.
How would you describe the relationship between the different energies: potential, kinetic, thermal, and total energy?