# Illustration Gravitational Force (Weight) Acts on a Mass

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On a mass $$m$$ (e.g. apple) acts gravitational force (weight) $$\boldsymbol{F}_{\text g}$$ which pulls the apple towards the earth. Because of the relation $$\boldsymbol{F}_{\text g} = m \, \boldsymbol{g}$$ also the gravitational acceleration $$\boldsymbol{g}$$ points in the same direction as the gravitational force.

The magnitude $$g$$ of the acceleration vector $$\boldsymbol{g}$$ corresponds on Earth to the value: $$g = 9.8 \, \mathrm{m}/\mathrm{s}^2$$.