Since the solution to 4E from 6.6 chapter was answered, more than 266 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Calculus: Early Transcendentals, edition: 1. The answer to “Why must integration be used to find the work done by a variable force?” is broken down into a number of easy to follow steps, and 14 words. Calculus: Early Transcendentals was written by and is associated to the ISBN: 9780321570567. This full solution covers the following key subjects: done, Find, Force, Integration, must. This expansive textbook survival guide covers 85 chapters, and 5218 solutions. The full step-by-step solution to problem: 4E from chapter: 6.6 was answered by , our top Calculus solution expert on 03/03/17, 03:45PM.