---
title: "The efficiency of a pulley system is 55%. The pulleys are used to raise a mass of 90.0 kg to a height of 5.60 m. What force is exerted on the rope of the pulley system if the rope is pulled for 22 m in order to raise the mass to the required height?"
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url: "https://nerd-notes.com/ubq/21455/"
date_modified: "2023-12-11T00:48:08+00:00"
---

# The efficiency of a pulley system is 55%. The pulleys are used to raise a mass of 90.0 kg to a height of 5.60 m. What force is exerted on the rope of the pulley system if the rope is pulled for 22 m in order to raise the mass to the required height?

The efficiency of a pulley system is 55%. The
 pulleys are used to raise a mass of 90.0 kg to a height of
 5.60 m. What force is exerted on the rope of the pulley
 system if the rope is pulled for 22 m in order to raise
 the mass to the required height?

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/21455/*