Till eulenspiegel
9
Using a Story: Using a Story: Till Till Eulenspiegel Eulenspiegel Till Eulenspiegel is a folk tale character. In this story he walks on a tightrope over the lake and amuses the audience. The local kids shake the rope and he falls into the lake. What can he do?
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Transcript of Till eulenspiegel
Using a Story: Using a Story: Till Till EulenspiegelEulenspiegel
Till Eulenspiegel is a folk tale character.
In this story he walks on a tightrope over the lake and amuses the audience.
The local kids shake the rope and he falls into the lake.
What can he do?
The story as a branchThe story as a branch::
Till Eulenspiegel walks on the tightrope in
balance
The kids shake the rope
Till Eulenspiegel falls into
the lake
The story as a branchThe story as a branch::
WHY??
Because his center of gravity was above the rope
Because he lost his balance
WHY??
What is this What is this ““center of center of gravitygravity”” ? ?
Let us make an experiment to demonstrate:
Materials: 1 Styrofoam egg 3 wood skewer 2 beads Insulating tape Decoration objects
Follow the instructionsFollow the instructions:: Insert one wood skewer through
the Styrofoam egg from up to down, as shown in the picture.
Insert two wood skewers into the sides of the Styrofoam egg, as shown in the picture.
Put the beads on the side skewer.
Use the Insulating tape to set the beads on the end of the skewer.
Change the position of the central skewer to change the balance of the “acrobat”.
Find the best balanced point and let it stand.
Back to the InjectionBack to the Injection::
He takes shoes from the kids and hold them
below the rope
He walks on the rope without falling down
The center of gravity is below
the rope
Thank YouThank You!! Dr. Rami Kallir+972-46380422+972-52-2786758
