A force of 10 lb is required to hold a spring stretched 4 in. beyond its natural length. How much work is done in stretching it from its natural length to 6 in. beyond its natural length?
Get full-access, download all PDF-eBooks [The Ultimate Cheat Sheet for Math & Physics, Crash Courses, and More] and request custom lessons when you become a member- https://www.youtube.com/@authorjond/join