A 170-lb man carries a 30-lb can of paint up a helical staircase that encircles a silo with radius 25 ft. If the silo is 60 ft high and the man makes exactly three complete revolutions, how much work is done by the managainst gravity in climbing to the top?ft-lbs

Work done=∫CF·dr where c is the vertical segment joining bottom and top of the silo, F force due to…

Answered: A 170-lb man carries a 30-lb can of…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A 170-lb man carries a 30-lb can of paint up a helical staircase that encircles a silo with radius 25 ft. If the silo is 60 ft high and the man makes exactly three complete revolutions, how much work is done by the man against gravity in climbing to the top? ft-lbs