The phrase "and keep the force" is grammatically correct and can be used in written English.
It can be used in contexts where one is advising or instructing someone to maintain strength, energy, or a certain level of intensity in a situation.
Example: "In order to succeed in this competition, you must stay focused and keep the force throughout your performance."
Alternatives: "and maintain the strength" or "and sustain the energy".
"Appropriate U.S. personnel made reasonable tactical decisions that night, and the committee found no evidence that there was either a stand-down order or a denial of available air support". "The progress report finds that officials at the Defense Department were monitoring the situation throughout and kept the forces that were initially deployed flowing into the region.
Have we learned nothing from Iran Washingtonn hopes it can ease another compliant general into power and keep the security forces loyal before thirty years of pent-up fury at Mubarak's dictatorship, Egypt's political emasculation, thirst for change, and dire poverty produce a volcanic eruption on the Nile.
Senior NATO officials said Thursday that the allies were examining a new assistance package to Afghanistan that would last at least five years and keep the security forces at the higher troop level.
Keep the force in your hand.
The Eighth Army, battered by the Chinese assault, began to prepare spring offensives to retake lost ground and keep the retreating Chinese forces from being able to rest.
So Britain needs left majorities in Scotland and Wales as a counter-weight to the neo-Thatcherite English majority, and to help keep the forces of nationalism at bay that has required political and economic sweetners, especially for Scotland.
In a clash of Grand Slam champions, 2010 Roland Garros winner Schiavone will try to use her variety, net skills, and slice backhand to take the pace away and keep the ball low to force the six-foot Kvitova to bend.
Trapped charges in the insulator produce an electrostatic force and keep the cantilever stuck on the substrate.
The report projected that an average of 95,000 jobs would be added to the payrolls each month this year -- barely enough to keep up with the normal number of jobs the economy would have to create to meet the growth in the labor force and keep the unemployment rate steady.
Love and justice require constant vigilance to keep the forces of hate at bay.
