1 / 18

Mekanika

Mohon di manfaatkan.

Download Presentation

Mekanika

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Mekanika Teknik Teknik Pertambangan (PTP.136) FT. SAINS & TEKNOLOGI Pertemuan: 4

  2. Keseimbangan Tiga Dimensi Suatu benda berada dalam kesetimbangan, apabila semua gaya resultan R dan resultan M adalah nol, dan begitu juga halnya dengan kesetimbangan tiga dimensi, persamaan kesetimbangan adalah : Dengan asumsi semua gaya yang bekerja memotong sumbu ‘O”

  3. Diagram Benda Bebas (Free-Body Diagrams) Untuk menyelesaikan kasus kesetimbangan dalam tiga dimen.si juga tidak terlepas dari diagram benda bebas

  4. Diagram Benda Bebas (Free-Body Diagrams)

  5. Diagram Benda Bebas (Free-Body Diagrams)

  6. Diagram Benda Bebas (Free-Body Diagrams)

  7. Diagram Benda Bebas (Free-Body Diagrams)

  8. Buatlah DBB dari sistim tumbuan ball-and-socket joint seperti gambar di bawah Contoh DBB

  9. Buatlah DBB dari sistim tumbuan ball-and-socket joint dan slider bearing seperti gambar di bawah DBB

  10. Contoh Kasus Perhatikan gambar di Samping, Tentukan Tegangan masing masing AB, AC, AD

  11. Solusi

  12. Contoh Kasus Perhatikan gambar dibawah, Tentukan Tegangan masing masing CE, AD

  13. Solusi

  14. Solusi

  15. PERKALIAN SKALAR i . i = 1 j . j = 1 k . k = 1 j . i = 0 k . j = 0 i . k = 0 i . j = 0 j . k = 0 k . i = 0 PERKALIAN VEKTOR i x i = 0 j x j = 0 k x k = 0 j x i = - k k x j = - i i x k = - j i x j = k j x k = i k x i = j

  16. TERIMA KASIH

More Related