This is equivalent to moving the point through a circular path of exactly 180 degrees.

To keep the rock on its circular path, you have to pull inward.

Lower down on the screen, the earth traveled along its nearly circular path around the sun.

The string however, keeps if from doing so and makes the rock travel in a circular path.

The first task was to complete a circular path around the lake.

It also had to move the first point in a circular path that was larger than its own size.

That was just about the time needed to complete the circular path he had set Pioneer on.

Instead, you move up the side of the building in a circular path, inside the turning wheel.

She was still following that small circular path and holding her stomach.

For example, consider a particle moving in a circular path.