Chapter 7: Work and Energy

Online Concept Tutorials

Work of a Variable Force

This tutorial compares and contrasts work done by constant forces and by variable forces. It then explains how to use sums and integrals to calculate the work done by a variable force, using gravitational force as an example.

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Norton Gradebook

Instructors now have an easy way to collect students’ online quizzes with the Norton Gradebook without flooding their inboxes with e-mails.

Students can track their online quiz scores by setting up their own Student Gradebook.