...
Chapter 8
Potential Energy and Conservation of Energy
In this chapter we will introduce the following concepts:
Potential Energy
Conservative and non-conservative ... analytically
from the potential energy ( )
F x
U x
O
x
.
.
.
x
x + Δx
F
A B
Consider an object that moves along the x-axis under the influence of an
unknown force F whose potential energy U(x) ... the equation:
U W
U
F x
x...
... little, none could ever
tell. Like enough, to judge from the sound, his back was bro-
ken on the spot. But he had no time given him to recover.
Silver, agile as a monkey even without leg or crutch,