A 53.9 kg, 4.7 m uniform ladder leans against a frictionless wall. A 81.9 kg person is standing on the ladder down 0.76 m from the top of the ladder. The ladder makes an angle of 56 degrees with the horizontalWhat is the minimum coefficient of static friction between the ladder and the ground so that the ladder does not slip?

Q: 99 Tc 43

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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.