The phrase "a deep force" is correct and usable in written English.
It can be used to describe a powerful or profound influence, emotion, or energy in various contexts, such as literature, philosophy, or science.
Example: "The ocean's waves are driven by a deep force that shapes the coastline over time."
Alternatives: "a profound power" or "an intense energy".
But beneath the diverse currents that crisscross American life runs a deep, invincible force — one that selects, integrates and fashions the broad, sometimes cruel but ever transforming course of American civilization.
A deep well of spiritual force was there to be tapped into.That was the deep force, welling up from the American people, that had brought Obama to the presidency and, deservedly or not, had imbued him with a profound aura of moral authority throughout the world.
It is, in part, a response to deep forces in our culture and our society.
A coal strike in January put London in a deep freeze, forcing middle-class women to bring home coal in cabs.
I also took a deep breath, forced myself to overcome shyness and unease and asked everyone I know, who they knew and how they could help me.
His books are stuffed with an awareness of the deep forces at work in our world (along with a healthy distrust of the lunacies of organised religion) and Granny Weatherwax is probably my favourite of his many guardian angels.
But management was able to impose those cuts in part because of a deeper historical force at play: the long, steady decline of union membership within the American labor force.
This fit with the scheme laid out in Corey Robin's book "The Reactionary Mind": the substance of conservative doctrine is secondary to a deeper, perennial force in conservative politics, which is the spirit of reaction itself.
Yet a different and deeper force seemed present among the people I spoke with at Buckeye.
Invoking a potential Iranian "path to the sea" makes it sound as though deep forces are at play.
