sean pound
(Sean Pound)
#1
Change in gravitational potential
energy
ǻPE = mgǻh
PE = potential energy
mg = object’s weight
ǻh = vertical displacement
Gravitational potential energy
PE = mgh
PE = 0 when h = 0
What is the bucket’s
gravitational potential energy?
PE = mgh
PE = (2.00 kg)(9.80 m/s^2 )(4.00 m)
PE = 78.4 J
Copyright 2007 Kinetic Books Co. Chapter 06^131
