Hi.

I assembled an Izod machine (to make the simulation faster Isuppressed most of the parts and leave only the parts for theCircular motion) and I'm trying to simulate it.
I chose the gravity simulation ( all the mates are fine-beacusewhen I move the Pendulum it moves in the right directions-inCircular motion)
BUT when I try to simulate it, the Pendulum stops after it passesthe lower point instead of continue to the same Height it began (asit should accroding to the Potential energy)
even the velocity is the same along the simulation (and itshouldn't be)

can someone please help to figure it out.

Thanks.

SolidworksSimulation