• Mechanically speaking, an oar is a beam, loaded in bending. • It must be strong enough to carry the bending moment exerted by the oarsman without breaking. • t must have just the right stiffness to match the rower's own characteristics and give the right 'feel'. • The most important, it must be as light as possible. Handle Collar Sleeve Spoon The oar stiffness is measured: • a 10 kg weight is hung on the oar, 2.05 m from the collar and the Loom deflection at this point is measured. • A soft oar will deflect nearly 50 mm; a hard one only 30. • A rower, ordering an oar, will specify how 'hard' it should be. QUESTION 1. Find material choice 2. Should we change the cross-section from the circular shape to the rectangular shape in order to increase the bending stiffness?

• Mechanically speaking, an oar is a beam, loaded in bending. • It must be strong enough to carry the bending moment exerted by the oarsman without breaking. • t must have just the right stiffness to match the rower's own characteristics and give the right 'feel'. • The most important, it must be as light as possible. Handle Collar Sleeve Spoon The oar stiffness is measured: • a 10 kg weight is hung on the oar, 2.05 m from the collar and the Loom deflection at this point is measured. • A soft oar will deflect nearly 50 mm; a hard one only 30. • A rower, ordering an oar, will specify how 'hard' it should be. QUESTION 1. Find material choice 2. Should we change the cross-section from the circular shape to the rectangular shape in order to increase the bending stiffness?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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