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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago, 2 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
A hole is punched at A in a plastic sheet by applying a 600-N force
P to end D of lever CD, which is rigidly attached to the solid
cylindrical shaft BC. Design specifications require that the displacement
of D should not exceed 15 mm from the time the punch
first touches the plastic sheet to the time it actually penetrates it.
Determine the required diameter of shaft BC if the shaft is made
of a steel with G 5 77 GPa and tall 5 80 MPa.
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