Are there forces

Yes, there are forces like magnetism. Magnetism is also known as the gravitational force. We know it very well that it is the gravitational force that binds us to the earth but we cannot see the gravitational force. Likewise, there are many things, which cannot be seen with naked eyes but they are always around us and can only be felt.

If we could see such powers, it would be very difficult to reason out things and it would lead to a lot of confusion.

Whether accepted or not, supernatural forces can be felt at times but if they became visible it will be utter chaos.