Question

Which would have the least potential energy? (1 point)
Magnets close to each other but not touching
ball sitting on the ground
a statically charged balloon hovered over someone's hair
rubber band pulled back tight

Answers

GPT-5 mini
Ball sitting on the ground.

Reason: it has essentially zero gravitational potential energy (at the chosen reference level), whereas the others store energy — elastic in the stretched rubber band, electric in the charged balloon, and magnetic in the nearby magnets.