Physics

Physics

Problem

Which one of the following gives the correct vector expression for the gravitational field intensity g⃗\vec g at a point situated at a distance rr from an isolated point mass MM? a) −2GMr2 r^-2G\dfrac{M}{r^{2}}\,\hat r b) −GMr2 r^-G\dfrac{M}{r^{2}}\,\hat r c) GMr2 r^G\dfrac{M}{r^{2}}\,\hat r d) −GMr2 θ^-G\dfrac{M}{r^{2}}\,\hat \theta

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