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Get Full Access to Statics And Mechanics Of Materials - 5 Edition - Chapter 9.2 - Problem P9-1
Get Full Access to Statics And Mechanics Of Materials - 5 Edition - Chapter 9.2 - Problem P9-1

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# In each case. determine the internal normal force between lettered points on the bar ISBN: 9780134382593 479

## Solution for problem P9-1 Chapter 9.2

Statics and Mechanics of Materials | 5th Edition

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Problem P9-1

In each case. determine the internal normal force between lettered points on the bar. Draw all necessary freebody diagrams.

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ENGR 232 Dynamic Engineering Systems Lecture 2 Dr. Michael Ryan This Lecture • Two simple models: object with drag, mice and owls – Solution to D.E. Via separation of variables • Separable differential equations – Analytic Solutions – Closed form – Implicit form » Domain of solution » Qualitative solutions » Numerical solutions • Method of Integrating Factors 4/6/2015 ENGR 232 Winter 14-15 Week 2 2 Falling Objects: Increasing Model Complexity • A hailstone has mass m=0.025 kg an2 drag coefficient =0.007 kg/s. g = 9.8 m/sec • Taking motion downward as positive we obtain dv dv ▯ m dt ▯ mg ▯▯v ▯ g ▯ v dt m Note that drag is in a direction opposite to gravitational force, 0 007kg both signs could be reversed ▯ ▯ s ▯ 0 28s1 giving a negative velocity downward m 0 025kg This model is sign reversed than the previous free fall example ▯▯ ▯▯ Free Falldrag aka ▯▯ = 9.8 - 0.28v ▯▯ = 9.8 4/6/2015 ENGR 232 Winter 14-15 Week 2 3 Compari

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