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Get Full Access to Vector Mechanics For Engineers: Statics - 10 Edition - Chapter 8 - Problem 8.70
Get Full Access to Vector Mechanics For Engineers: Statics - 10 Edition - Chapter 8 - Problem 8.70

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# In 8.69, determine the couple that must be applied to shaft AB in order to rotate the

ISBN: 9780077402280 491

## Solution for problem 8.70 Chapter 8

Vector Mechanics for Engineers: Statics | 10th Edition

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Problem 8.70

In 8.69, determine the couple that must be applied to shaft AB in order to rotate the large gear clockwise. PROBLEM 8.69 The square-threaded worm gear shown has a mean radius of 2 in. and a lead of 0.5 in. The large gear is subjected to a constant clockwise couple of 9.6 kip in. Knowing that the coefficient of static friction between the two gears is 0.12, determine the couple that must be applied to shaft AB in order to rotate the large gear counterclockwise. Neglect friction in the bearings at A, B, and C.

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CCE 101 Dr. Pestana Week 2 Notes Communication as a Construction/Civil Engineer Summary  First impressions matter  Be effective and professional when communication, especially in written form  Presentations can be a great way to communicate when done effectively  Know the basics of negotiating First Impressions The DOs  Dress appropriately  Firm handshake  Good eye contact  Good posture The DON’Ts  Weak or no handshake  Bad eye contact and posture  Lack of responsiveness  Poor grooming habits  Bad attitude (ego, aggressive, condescending) Written Communications Emails  Used to send information or make a request o DO be respectful and clear with your int

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