I have that:
theta(double dot)=-gsin(theta)/l where g and l are constants
I worked the potential V(theta) out to be -mgcos(theta)/l by using Force=-deltaV
but my notes say that V(theta)=1-cos(theta) and i have no idea how they got to that?
I have that:
theta(double dot)=-gsin(theta)/l where g and l are constants
I worked the potential V(theta) out to be -mgcos(theta)/l by using Force=-deltaV
but my notes say that V(theta)=1-cos(theta) and i have no idea how they got to that?