"That's a tricky problem, because a train car is moving all the time, and it isn't a completely rigid object," he said.
"Her eyes would roll back into her head and her arms would go completely rigid – but it wasn't really epilepsy, it was a psychological crisis … It started when she was captured with 400 people in the desert in Sudan during her journey here.
Clearly, it is impossible to make completely rigid rules to define originality.
If, however, the part of the landslide that traveled on the mound was completely rigid, then it is more appropriate to use the position of the center of mass rather than the front in the determination of the velocity.
The foundation slab can be completely rigid or completely flexible but it is neither one in practice.
For those like him, the Second Amendment is a completely rigid keystone right that supports all others -- once it is slightly eroded, the loss of other rights will soon follow.
And, often times, it's not the end of the world if something falls out of bounds of a completely rigid model — grabbing an extra pack of gum while at an airport when on a work trip is probably something that falls on the harmless side of the spectrum, for example.
Finally, it is important to notice that all conditions produced dynamic trends, with fluctuations and sudden jumps, and without completely rigid or exploded trajectories.
His abdomen, chest, and back are completely rigid.
He's completely rigid, states his position and concedes nothing.
