“In any triangle the centre of gravity lies on the straight line joining any angle to the middle point of the opposite side.”
Book 1, Proposition 13.
On the Equilibrium of Planes
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Archimedes20
Greek mathematician, physicist, engineer, inventor, and ast… -287–-212 BCRelated quotes
“The centre of gravity of any cylinder is the point of bisection of the axis.”
Archimedes book The Method of Mechanical Theorems
Proposition presumed from previous work.
The Method of Mechanical Theorems
Aristarchus of Samos ancient Greek astronomer and mathematician
p, 125
On the Sizes and Distances of the Sun and the Moon (c. 250 BC)
Thomas Little Heath (1861–1940) British civil servant and academic
this implies the use of similar triangles in the way that the Egyptians had used them in the construction of pyramids
Achimedes (1920)
Archimedes book The Method of Mechanical Theorems
of the portion adjacent to the base
Proposition presumed from previous work.
The Method of Mechanical Theorems
“The centre of gravity of a parallelogram is the point of intersection of its diagonals.”
Archimedes book On the Equilibrium of Planes
Book 1, Proposition 10.
On the Equilibrium of Planes