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 equal masses of 1 kg each are placed at the vertices of an equilateral triangle of side 1 m, then the gravitational force on one of the masses due to other masses is (approx.)

Three mass points each of mass m are placed at the vertices of an equilateral tringale of side l. What is the gravitational field and potential due to three masses at the centroid of the triangle ?

If two particles each of mass m are placed at the two vertices of an equilateral triangle of side a , then the resultant gravitational force on mass m placed at the third vertex is

Three point charges q are placed at three vertices of an equilateral triangle of side a. Find magnitude of electric force on any charge due to the other two.

Three masses of 1kg , 2kg , and 3kg , are placed at the vertices of an equilateral traingle of side 1m . Find the gravitational potential energy of this system. Take G= 6.67xx10^(-11) N-m^(2)//kg^(2) .

(a) Three particles of mass m each are placed at the three corners of an equilateral triangle of side a . Find the work which should be done on this system to increases the sides of the triangle to 2a , (b) Find work done in sending m to infinity.

Three identical point objects each of mass m are placed at the vertices of an equilateral triange of side l . What is the gravitational potential at the centre of the equilateral triangle due to the point masses?