Topic: Work and Variable Forces

Building Work Integrals for Pumping Liquids

Pumping Liquid from a Cylindrical Tank

Work Against Inverse-Square Gravity

Lifting a Cable or Chain

Work with Nonlinear Spring Laws

Lifting Objects Against Constant Gravity

Work to Stretch or Compress a Spring

Spring Work and External Work

Variable Forces at an Angle to Motion

Deriving Hooke’s Law for a Spring