A text book of elementary mechanics, for the use of colleges and schools (1881)
Dana, Edward Salisbury, 1849-1935 · New York, J. Wiley & sons · leaf 189
to each other. It isrequired to find their com-mon centre of gravity. Onthe straight lineal? join-ing the positions of P andQ take E, so thatAE _Q mEB ~ P;then, by 160, E will be thecentre of gravity of P and Q. Again, suppose P -f- Qto act at E, and on the line EC take F\ so that EF _ SFC~~P+Q;… … Fig. 92. 163.] CENTRE OF GRAVITY. 171 8, and T, and if it were rigidly connected with them thesystem would balance in every position. This method could obviously be extended, whateverthe number or positions of the given bodies. 162. The Centre of Gravity of a Straight Line. The centre of gravity of…
Mechanics
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