sign is hung from the wall of a building using an angled beam and a support cable. The beam (mass = 1500kg, length = 8m) is bolted to the wall and angled up at 30◦above the horizontal. The mass-less support cable is attached to the beam 2m from its far end and makes an angle of 40◦between the beam and the cable. The sign (mass = 125kg) attaches to the beam a half-meter from the far end

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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.