The phrase "a potential force for" is correct and usable in written English.
It can be used to describe something or someone that has the capacity to influence or bring about change in a particular context.
Example: "The new policy could be a potential force for positive change in the community."
Alternatives: "a possible catalyst for" or "an influential factor in".
As a potential force for change, only the U.S. government can rival America's business community.
Do not underestimate the game as a potential force for good.
At no point in my journey did Iraqis mention the US-appointed governing council as a potential force for good.
India also is a potential force for energizing the economies of Bangladesh, Nepal and, perhaps someday, Pakistan and Myanmar.
It's becoming increasingly obvious that many view the tragic disaster as a potential force for good, hoping that it will help to undermine the Burmese regime.
Finally, Johnson's presidency evokes nostalgia and, among some young Americans, renewed yearning for an era when government was seen as a potential force for good.
Whatever the variation of force with distance, a central force can always be represented by a potential; forces for which a potential can be found are called conservative.
That would surely give the telecom industry powerful economic incentives to treat Wi-Fi as a potential "force multiplier" for its networks rather than a threat.
Clearly, although the goals of the students and the lives of the migrants are potentially congruous, the migrants, despite their potential force for change in Chinese society, are a group that has been ignored and will themselves likely ignore efforts made towards political liberalization.
With a level of fame which has, whether willingly or not, placed her in the position of becoming a trans role model; Jenner's endorsement of Taylor's performance does show the potential force for good her influence provides.
Argentina's large number of foreign-owned banks might have helped to protect its economy from domestic problems, but the government's treatment of these banks after the country's default undermined this potential force for stability.
