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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 407 Weeks Ago, 5 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
This type of intramedullary nail is connected to the fractured bone by screws. Say an 8 N-m torque is applied to the bone far from fracture plane. This results in bending of the screws. Approximate the bone as circular, with an outer diameter of 26 mm and an inner diameter of 20 mm. The nail itself has an outer diameter of 10 mm and an inner diameter of 5.4 mm. For a screw of 4 mm minimum diameter, determine the factor of safety with respect to a tensile yield stress of 700 MPa. Neglect any stress concentrations due to the threads. State your assumptions regarding how loads are transmitted to the screw.

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