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# Title: Leibniz-Handschriften zur Mathematik LH 35, 11, 18C
# Folio 71r, page id 00068193:0143
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Mo
eat
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Sect. H. Cap. 5. De Motu simpl.
Jam cum A 2A et 1B2B sint rectae (per prop. 2. huc) et recta
tangens recham non possit esse moi recta ipsamet, concidens
et quam tangit, (neqi enim aliter recta recta occurrere potert
t
qum produita eam secet) et ob aequales 1A1B et 2A2B (pur
prop. 3. sirc) itemque 1A2 A et 1BZB (per prop. 4 hic) sint (ex
B
elementis) ipsae 1A2 A et 1B2B par allelae; crunt parallela n
fer se tangentes m easdem partes in quas puncta e 1A et 1B
porro tendunt eduetae; adeoque et directiones erunt parallela
inter se et ad easdem partes, idest (per def. hic) motus aequi-
directus.
Possunt autim duo puncta habere motus aequidirectos, ets
non describant lineas parallelas, nam duse etse possunt curvae
non parallelae (Fig. 35.) CC et DD tales, ut dato puncto C,
in una assignari possit semper respondens punctum D m
alia, cujus tangens sit tangenti prioris parallela. Et punctis
C et D ita motis ut semper in locis duarum linearum ita
respondentibus simul reperiantur, motus erit aequidir ectus.
Parap. 6.
Si motus sit uniformis et aequidistributus et recti-
simpliciter
lineus et aequidrectus; est simplea
Nam motus ejusdem puncti in mobili durante aliquo
tempore non magis convenire porert sibi ipsi quam si motus
sit uniformis et m linea rectâ et measdem partes; et mo-
fus duorum quorum libet punctorum non magis convenire
possunt inter se, quam ut aequales simul describant lineas
sip
eatque pronsus similes et similiter positas, nempe rectas et
harallelas et ad easdim partes ductas. Data enim magnitus
dino
Jam