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.
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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. .

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. .

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 .

Five point charges each of charge +q are placed on five vertices of a regular hexagon of side h as shown in the figure. Then

Assertion : Four point masses each of mass m are placed at points 1, 2, 3 and 6 of a regular hexagon of side a. Then the gravitational field at the centre of hexagon is (Gm)/(a^(2)) Reason : The field strength due to masses at 3 and 6 are cancelled out.

Assertion : Four point masses each of mass m are placed at points 1, 2, 3 and 6 of a regular hexagon of side a. Then the gravitational field at the centre of hexagon is (Gm)/(a^(2)) Reason : The field strength due to masses at 3 and 6 are cancelled out.

Six point charges are arrange at the vertices of a regular hexagon of side length a (shown in figure). Find the magnitude of electric field at the centre of regular hexagon.

Six point charges are arrange at the vertices of a regular hexagon of side length a (shown in figure). Find the magnitude of electric field at the centre of regular hexagon.

Find the position of centre of mass for a system of particles places at the vertices of a regular hexagon as shown in figure