The topic is torque A uniform horizontal beam is attached to a wall by a pin connection that allows the beam to rotate. Its far end is supported by a cable as shown in the figure. If a person of 600 N stands 1,50 m from the wall, find the tension on the cable and the reactiveforce exerted by the wall on the beam (the normal force is a component of the reactive force). The beam has a mass of 35.7 kg. The reactive force has an angle of 660with the horizontal.

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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.