19we always define potential energy for a system, in which the conservative forces act internally ...you cannot have potential energy for an isolated object !
the equation du=-F.dr
is it also valid for conservative external forces
-
UP 0 DOWN 0 0 2
2 Answers
1if you want to define a body's potential energy for a conservative force it by it self an internal force.
you cannot if you keep assuming that conservative force as external than you cannot use the above formula.
19