Question: Soru 3 . Rijit kiri , ( mathrm { A } , mathrm { B } ) ve C noktalar ndaki

Soru 3. Rijit kiri,\(\mathrm{A},\mathrm{B}\) ve C noktalarndaki eit uzunluktaki direkler tarafndan desteklenmektedir.
- A ve C direkleri, 75 mm apnda ve alminyumdan yaplmtr. Alminyum iin:
- Akma gerilmesi \(\sigma=20\mathrm{MPa}\),
- Elastisite modl E=70 GPa.
- B direi,20 mm apnda ve pirinten yaplmtr. Pirin iin:
- Akma gerilmesi \(\sigma=590\mathrm{MPa}\),
- Elastisite modl E =100 GPa .
a) Yalnzca A ve C direklerinin akma noktasna ulamas iin gereken minimum P ykn bulunuz.
b) Tm direklerin akma noktasna ulamas iin gereken minimum \( P \) ykn bulunuz.
Soru 3 . Rijit kiri , \ ( \ mathrm { A } , \

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