Their momentum swings them into the path of oncoming traffic.

The momentum swung and Australia finished at 457 on the fourth day, having added almost 396 in one day's play.

The game's momentum swung midway through the second half.

"Now that we look at what happened, there was a time when the momentum could have easily swung the other way," another senior official said.

The momentum swung back and forth in the final set, which included seven service breaks.

The momentum and intensity really swung in the second half.

"The momentum is swinging our way," Harrelson said after the game.

If we maintain the pressure and continue to open up in front of the world media, the momentum will swing to our side.

But the momentum had not swung entirely in her determined daughter's favor.

The hope was that the momentum would swing him to 2,081 and the nomination by evening.