Three point masses 'm' each are kept at three verties of a square pf side 'a' as shown in figure. Find gravitation potential and field strength at point O.
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Two points masses m each are kept at the two verticle of an equilateral triangle of side 'a' as shows in figure. Find gravitational potential and magnitude of field strength at O .

Two points masses m each are kept at the two verticle of an equaliateral triangle of side 'a' as shows in figure. Find gravitational potential and magnitude of field strength at O .

Four point masses easch of mass 'm' are placed at four vertieces A, B, C, nd D of a regular hexagon of side 'a' as shown in figure , Find gravitational potential and field strength at the centre O of the hexagon. .

Four point masses easch of mass 'm' are placed at four vertieces A, B, C, nd D of a regular hexagon of side 'a' as shown in figure , Find gravitational potential and field strength at the centre O of the hexagon. .

Three point masses 'm' each are placed at the three vertices of an equilateral traingle of side 'a'. Find net gravitational force on any point mass.

Three point masses 'm' each are placed at the three vertices of an equilateral traingle of side 'a'. Find net gravitational force on any point mass.

Eight particles of mass 'm' each are placed at the verties of a cube of side 'a' . Find gravitational potential energy of this system . .

Eight particles of mass 'm' each are placed at the verties of a cube of side 'a' . Find gravitational potential energy of this system . .

Four particles each of mass m are kept at the four vertices of a square of side 'a' . Find gravitational potential energy of this system.

Four particles each of mass m are kept at the four vertices of a square of side 'a' . Find graitational potential energy of this system.