Mmastodon ScienceScience first seen 23 h ago, last 20 min ago, peak #1

Balloon and can static electricity trivia question circulates

Original: # Electromagnetism_trivia If you rub a plastic balloon with some wool or synthetic material, and put it close to an alum

A physics trivia question is circulating asking what happens when a balloon rubbed with wool or synthetic material is held near an aluminum can resting on a low-friction table. The question touches on static electricity and induced charge: the charged balloon attracts the can, causing it to roll toward it. Readers are invited to guess the answer.

Why now: A science trivia question invites people to test or discuss their knowledge of static electricity and induced charge.

aluminum canballoonstatic electricity

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Rank over time, top of the chart is #1. 16 snapshots from 23 h ago to 20 min ago.

Evidence

• # Electromagnetism_trivia If you rub a plastic balloon with some wool or synthetic material, and put it close to an aluminum can, like in the picture, what will the can do? (assume the table has negligible friction on the can) # Electromagnetism # physics # science · franco_vazza · 8

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