Yes because the topic is too broad and the possibilities could be limitless.Maybe it would have been better if we'd decided to ask separate questions; which is the most powerful physical force, (e.g. mother nature, bombs) and which is the most powerful non-physical force (e.g. money, love).
Ok Strongest Physical Force: Nuclear Fission
The Sun has numerous nuclear reactions as time passes, and also if it weren't for the Sun life wouldn't exist here at all. Also look what a Nuclear Bomb (with a power millions of times weaker than the Sun) did to Nagasaki and Hiroshima...
Strongest Non-Physical Force:
Knowledge and Intelligence
With those we are left wielding a double edge sword. One of the edges has the word "create" carved on its surface while the other opposite edge has the word "destroy". Sadly, humanity has been using the wrong edge of the sword many times....