Of Simple Motion , i l

By the last, =

which gives this Analogy? C *• c ^

L L. 0.

Whence LA W VII*

If M«*», C: c :: £ : B. that is,

If the Momenta are equal, the Cele-rities will be inversely as the Quan-tities of Matter in the moving Bo-dies,

In comparing Motions, with 1 e-spe£t to the Length of Spaces pastedover by moving Bodies : Let C & crepresent their Celerities, as before,SScs, the Spaces pasted over in T 8c /,the 'Times in which they move,

LAW VIII.

If T* = S : 5 :: C : c, that is, If

•theTimes are equal, wherein Bodiesmove, the Spaces pasted over, willCa be