Three electrical charges isolated from the rest of the universe are located at the vertices of an equilateral triangle. Charge 3 attracts charge 1 with a force of modulus F1(3) = 4.3 N and repels charge 2 with a force of modulus F2(3) = 6.7 N. What is the modulus of the sum of the reaction forces on the charge 3 in Newtons? a. 10,95 b. 8,45 c. 9,60 d. None of the other alternatives are correct. e. 12,39 f. 2,21 g. 15,17 h. 0,86

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Center of Gravity of a system

The centre of gravity is a property that is based on the geometry of a rigid body or any particle. It is described as an equilibrium point or a hypothetical location where the total weight of the body is concentrated.