What is the dimensional formula of Gravitational Field Intensity or Gravitational Strength?

Gravitational Field Intensity or Gravitational Strength at a point is defined as the gravitational force exerted on a unit mass placed at that point.

Mathematically,

Gravitational Field Intensity or Gravitational Strength = GM /r²
where G = Gravitational Constant, M = mass and r = distance from the centre of the body to the point.

Dimensional Formula of Universal Constant of Gravitation = M^-1L³T^-2
Dimensional Formula of Mass = M¹L⁰T⁰
Dimensional Formula of Radius = M⁰L¹T⁰

Substituting in the above equation we get,
Dimensional Formula of Gravitational Field Intensity or Gravitational Strength = M⁰L¹T^-2
SI unit of Gravitational Field Intensity or Gravitational Strength is N kg^-1 or it can also be written as m s^-1

Note: Gravitational Field Intensity is often referred as Gravitational Field.