Brocklesby, John, 1811-1889. [from old catalog] · New York, Sheldon and company · leaf 208
s twice as far from the centre as B, is one fourthof what it is at B. If we construct another figureJKLM at four times the distance of B from A, it will If the projectile force is increased, what is true in regard to the extent of space passed•ver by the body ? If the impulse was so great that the… … 1HE FORCE OF GRAVITY VARIES INVERSELY AS THE SQUARE OF THE DISTANCE. contain sixteen squares each equal to BCDE, and theforce of gravity will here be diminished sixteen times ; allwhich accords with the rule just stated. 396. The change in distance must be great, for thevariations in the force of…
Astronomy
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