“If two equal weights have not the same centre of gravity, the centre of gravity of both taken together is at the middle point of the line joining their centres of gravity.”
Book 1, Proposition 4.
On the Equilibrium of Planes
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Archimedes 20
Greek mathematician, physicist, engineer, inventor, and ast… -287–-212 BCRelated quotes

“The centre of gravity of a parallelogram is the point of intersection of its diagonals.”
Book 1, Proposition 10.
On the Equilibrium of Planes

“The centre of gravity of any cylinder is the point of bisection of the axis.”
Proposition presumed from previous work.
The Method of Mechanical Theorems