---
title: "At one instant, a \\( 17.5 \\) \\( \\text{kg} \\) sled is moving over a horizontal surface of snow at \\( 3.50 \\) \\( \\text{m/s} \\). After \\( 8.75 \\) \\( \\text{s} \\) has elapsed, the sled stops. Use a momentum approach to find the average friction force acting on the sled while it was moving."
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url: "https://nerd-notes.com/ubq/90860/"
date_modified: "2026-08-18T02:39:48+00:00"
---

# At one instant, a \( 17.5 \) \( \text{kg} \) sled is moving over a horizontal surface of snow at \( 3.50 \) \( \text{m/s} \). After \( 8.75 \) \( \text{s} \) has elapsed, the sled stops. Use a momentum approach to find the average friction force acting on the sled while it was moving.

At one instant, a \( 17.5 \) \( \text{kg} \) sled is moving over a horizontal surface of snow at \( 3.50 \) \( \text{m/s} \). After \( 8.75 \) \( \text{s} \) has elapsed, the sled stops. Use a momentum approach to find the average friction force acting on the sled while it was moving.

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/90860/*