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Problem of lifting of a body using 4 strings

$$mg=4T\cos(\phi)\hspace{0.5cm}\Rightarrow\hspace{0.5cm}T=\frac{mg}{4\cos(\phi)}$$ Also, the ropes must hold additional loading from acceleration when lifting the payload.
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Problem of lifting of a body using 4 strings

assuming symmetry thus the CG of the cube in it's center, the tension in the cable is m/4 * the ratio of the length of the diagonal cable to the height of the cone. $$T = (m/4)* \sqrt( (a/2)^2+(b/2)^...
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Equilibrium problem with 3 unknown forces | Hanging mass

The graphic diagram below shows there are infinite solutions (non-unique) to this problem. Steps: Draw the gravity load to scale and mark the ends "a" and "b". Draw a ...
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