A particle is trapped in a potential well described by U1x2 = 16x 2 - b, with U in joules, x in meters, and b = 4.0 J. Find the force on the particle when its at (a) x = 2.1 m, (b) x = 0, and (c) x = -1.4 m.

Dudaie 1 Physics II: Chapter 19 Electric charges, Forces, and Fields “Like attracts like” 1. Electric charge a. There are 2 types of charges on any given objects i. Negative () = electron...