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String Breaker
P.I.R.A. #: 1F 20.10
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Demonstrates: Inertia.
Description: An iron ball is suspended vertically by monofilament and a rod is suspended from the iron ball. If the rod is given a quick jerk the bottom string breaks. If the rod is pulled slowly the upper string breaks.
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| Click to Enlarge Image |
No Quicktime Video Available
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| Condition: Good. |
Size: 3' x 4" |
Hazard: Iron mass falling on foot. |
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Instructions: Set up as shown in schematic. First jerk bottom string to break; replace filament; then pull slowly. Iron mass should fall.
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| Items Used: Monofilament (3 or 4 equal lengths), Iron mass, foam to catch iron mass. |
| Notes: Requires dedicated set-up time and practic eby instructor. |
| Schematic: none. |
Tech Specs (PDF format): 1F20.10-D.pdf |
| Mathematical Description / Measured Results: |
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Web Links: none.
History: In house design and manufacture.
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