In raising a 5000-N piano with the pulley system, the workers note that for every 2m of rope pulled downward, the piano rises 0.2m. Ideally, show that 500N is required to lift the piano.

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter8: Potential Energy And Conservation Of Energy
Section: Chapter Questions
Problem 43P: The massless spring of a spring gun has a force constant k=12N/cm . When the gun is aimed...
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In raising a 5000-N piano with the pulley system, the workers note that for every 2m of rope pulled downward, the piano rises 0.2m. Ideally, show that 500N is required to lift the piano.

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