The phrase "a force that cannot" is correct and usable in written English.
It can be used to describe an unstoppable or overwhelming influence or power in various contexts, such as literature, speeches, or discussions about change.
Example: "Love is a force that cannot be easily contained or controlled."
Alternatives: "an influence that cannot" or "a power that cannot".
He said of the protests, "We are a force that cannot be stopped.
As such, they are decidedly a force that cannot be ignored.
But even those pro-Kremlin politicians who decisively reject them also sometimes voice satisfaction that more Americans now see Russia as a force that cannot be ignored.
Mr. Fire said he pushed for last week's walkout to show G.E. that the workers are a force that cannot be trampled upon.
The fact that the majority of today's premium publishers' inventory is mobile web inventory makes Facebook and other aggregators a force that cannot be ignored.
"This is a force that cannot be ignored". But the fracturing of Los Angeles is not a done deal.
There will not be a satisfactory political resolution unless those who are in the camp of the US and its allies are seen to be a legitimate force that cannot be ignored or denied a seat at the table.
The need to create is a powerful force that cannot be dampened for long, even by a disaster of the magnitude of Sandy.
But anti-Americanism is a potent force that cannot be readily dissolved.
He said Russia has natural historic, cultural, and security interests in the region and will always be a major force that cannot be ignored, but it is important for the international community to moderate Russia's worst instincts and help it become a positive force.
Self-regulation in good old Blighty has been the bedrock for the justifiable arrest of scores of senior UK journalists, by a police force that cannot be claimed to be hostile to the employer of those journalists, under a government that spent more time socialising with those arrested than running the country.
