---
title: "If the net work done by external forces on a particle is zero, which of the following statements about the particle must be true?"
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url: "https://nerd-notes.com/ubq/90855/"
date_modified: "2026-08-18T02:39:45+00:00"
---

# If the net work done by external forces on a particle is zero, which of the following statements about the particle must be true?

If the net work done by external forces on a particle is zero, which of the following statements about the particle must be true?

- **A.** Its velocity is zero.
- **B.** Its velocity is decreased.
- **C.** Its velocity is unchanged.
- **D.** Its speed is unchanged.
- **E.** More information is needed.

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/90855/*