Associate Professor: C. H.L IAO

Contents:  5.1 Introduction 182  5.2 Gravitational Potential 184  5.3 Lines of Force and Equipotential Surfaces 194  5.4 When Is the Potential Concept Useful? 195  5.5 Ocean Tides 198

5.1 Introduction For 2 particles For continuous distribution system

Definition of the Gravitational field vector, g For 2 particles For continuous distribution system

For 2 particles For continuous distribution system

Example 5-1

The solution will be divide in three regions:

Example 5-2

Example 5-3

Solution of 5.2

Solution of 5.3

Solution 5.7

Solution of 5.10