na-adjective
Describes something related to physics, material objects, or the body, as opposed to mental, spiritual, or abstract concepts.
この問題は物理的に不可能だ。
This problem is physically impossible.
精神的な疲れよりも、物理的な
Physical fatigue is easier to recover from than mental fatigue.
身体的 specifically refers to the human body (bodily), while 物理的 is broader, covering physics and material objects.
Compound of 物理 (physics, physical matter) + the adjectival suffix 的 (-like, -ical).