---
title: "A weighted balloon is filled with air and just barely floats (is neutrally buoyant) at the surface of a lake. If you push the balloon slightly downward, what will happen to its motion?"
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url: "https://nerd-notes.com/ubq/107037/"
date_modified: "2026-08-18T02:38:48+00:00"
---

# A weighted balloon is filled with air and just barely floats (is neutrally buoyant) at the surface of a lake. If you push the balloon slightly downward, what will happen to its motion?

A weighted balloon is filled with air and just barely floats (is neutrally buoyant) at the surface of a lake. If you push the balloon slightly downward, what will happen to its motion?

- **A.** It will return to the surface.
- **B.** It will oscillate up and down around the original position.
- **C.** It will sink to the bottom with increasing acceleration.
- **D.** It will remain at the new depth in equilibrium.

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/107037/*