lecture 4 statics.ppt [uyumluluk modu]kisi.deu.edu.tr/ozgur.ozcelik/statik/ders notlari... · and a...
TRANSCRIPT
![Page 1: Lecture 4 Statics.ppt [Uyumluluk Modu]kisi.deu.edu.tr/ozgur.ozcelik/Statik/Ders Notlari... · and a couple moment (MR)O = (WI dl + W2d2) at the support O. In both cases the support](https://reader034.vdocuments.net/reader034/viewer/2022042508/5f5dcdf533ed1c15aa2a33b0/html5/thumbnails/1.jpg)
(Eşdeğer Kuvvet Sistemleri)
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sy 58
DİKKAT:
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Kuvvetlerin Toplanması
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O nok. eşdeğer kuvvet sistemi
Kuvvet çifti
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Örnek:
sy 60
![Page 10: Lecture 4 Statics.ppt [Uyumluluk Modu]kisi.deu.edu.tr/ozgur.ozcelik/Statik/Ders Notlari... · and a couple moment (MR)O = (WI dl + W2d2) at the support O. In both cases the support](https://reader034.vdocuments.net/reader034/viewer/2022042508/5f5dcdf533ed1c15aa2a33b0/html5/thumbnails/10.jpg)
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O n
ok.
Eşd
eğer
Kuv
vet
Sis
tem
i
Orij
inal
Ku
vvet
Sis
tem
i
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Bunun olabilmesi için, FR’nin etki çizgisinin ve (MR)0’ın moment ekseninin
birbirine dik olması gerekmektedir. Bu zorunluluktan dolayı, sadece aynı
noktadan geçen (concurrent), aynı düzlemde olan (coplanar), ve paralel kuvvet
sistemleri daha da basitleştirilerek eşdeğer kuvvet sistemlerine indirgenebilir.
Kuvvet sistemlerinin daha da basitleştirilmesi:
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Aynı düzlemde bulunan kuvvetleri (bileşke momentin ekseni bileşke kuvvete dik olmakta)
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Örnek:
sy 63
1.75 kN
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1.75 kN
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Örnek:
sy 65
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=
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Moment Toplamı (Skaler Analiz)
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Ödev:
Cevap: (a) FR = 50.2 kN, θ= 84.3o veMRA = 239.46 kNm (saat akrebi yönünde),
(b) d = 4.79 m (A nok. olan mesafe)
Şekilde gösterilen kuvvet sistemini (a) A noktasında eşdeğer kuvvet-kuvvet çiftine indirgeyiniz, (b) tek bir kuvvete indirgeyip, AB kirişini kestiği yeri bulunuz.