DelMonte, Guidubaldo
,
Mechanicorvm Liber
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N128CF
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53
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habens, quò magis ab hoc ſitu vecte pondus ele
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uabitur maiori ſemper potentia, vt ſuſtineatur,
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egebit. </
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<
s
id
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id.2.1.107.2.1.2.0
">ſi verò deprimetur, minori.
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<
s
id
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">Sit vectis AB horizonti æquidiſtans, cuius fulcimentum C;
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ſitq; pondus AD, cuius centrum grauitatis L ſit infra vectem;
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ſitq; potentia in B ſuſtinens pondus AD: moueatur deinde ve
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ctis in FG, & pondus in FH. </
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>
<
s
id
="
id.2.1.107.3.1.1.0.a
">Dico primum maiorem requiri
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potentiam in G ad ſuſtinendum pondus FH vecte FG, quàm
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lb
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ſit potentia in B pondere exiſtente AD vecte autem AB. </
s
>
<
s
id
="
id.2.1.107.3.1.1.0.b
">ſit M
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lb
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grauitatis centrum ponderis FH, & à punctis LM ipſorum ho
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lb
/>
rizontibus perpendiculares ducantur Lk MN: ipſi verò FG per
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pendicularis ducatur MS, quæ æqualis erit LK, & CK ipſi CS
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erit etiam æqualis. </
s
>
<
s
id
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id.2.1.107.3.1.2.0
">Quoniam igitur CN maior eſt Ck, habe
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bit
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note172
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NC ad CG maiorem proportionem, quàm Ck ad CB; po
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note173
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tentia uerò in B ad pondus AD eandem habet, quam kC ad CB:
<
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="
note174
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& vt potentia in G ad pondus FH, ita eſt NC ad CG; ergo
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maiorem habebit proportionem potentia in G ad pondus FH,
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quàm potentia in B ad pondus AD. </
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>
<
s
id
="
id.2.1.107.3.1.2.0.a
">maior igitur eſt potentia
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note175
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in G ipſa potentia in B. </
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<
s
id
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N1375E
">ſi verò vectis ſit in OP, & pondus in
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OQ; erit potentia in B maior, quàm in P. </
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>
<
s
id
="
N13762
">eodem enim mo
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do oſtendetur CR minorem eſſe Ck, & CR ad CP minorem
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note176
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