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Prototype with Low-Cost Materials
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Grade Level
Grade 6
6.107 Prototype with Low-Cost Materials
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A scooter company is considering adding a magnetic latch as a low-cost way to keep a folded scooter closed. The main unknown is whether the magnet holds during bumps but releases when pulled intentionally. Which low-cost test prototype is best?
A
Skip bump testing and only check if the magnet sticks in still air.
B
Install magnets into the final scooter frame before knowing the right strength.
C
Tape different-strength magnets to a cardboard latch mock-up, shake it over a bumpy surface, and then measure the pull force needed to release.
D
Use one very strong magnet and assume stronger is always better.
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