"physical nature" is correct and usable in written English.
You can use it when discussing the physical characteristics or attributes of something or someone. For example, "Her physical nature was delicate and fragile."
I like the physical nature.
He brings a physical nature to the game.
Much more important, though, is the physical nature of addiction.
Like Beethoven's work, Eliot's poem was triggered by personal suffering, although not of a physical nature.
Perhaps it's because the intense physical nature of football pumps more adrenaline into the fans' systems.
"I hope it gives an awareness of the physical nature and the spectacle of the game.
The physical nature of the game was accentuated by the cold weather.
The scientist tries to understand physical nature, as the theologian seeks purpose in nature.
"Now people can engage in the physical nature of something as epic as a waterfall".
It sets the tone in the physical nature of the game.
There is the physical nature of the female, characterised by bleeding.
