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감상문,독후감

hibbeler chapter2 솔루션

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작성일18-05-17 08:43

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솔루션/기계설계


설명
Engineering Mechanics - Statics

Chapter 2

Problem 2-1 Determine the magnitude of the resultant force FR = F1 + F 2 and its direction, measured counterclockwise from the positive x axis. Given: F 1 = 600 N F 2 = 800 N F 3 = 450 N

α = 45 deg β = 60 deg γ = 75 deg

Solution:

ψ = 90 deg ? β + α
FR = F1 + F 2 ? 2 F1 F 2 cos ( ψ)
2 2

F R = 867 N FR F2

sin ( ψ)

=

sin ( θ ) sin ( ψ) ? ? FR ?

θ = asin ?F 2 θ = 63.05 deg φ = θ+α φ = 108 deg

? ?

Problem 2-2 Determine the magnitude of the resultant force and its direction measured counterclockwise from the positive x axis. Given: F 1 = 80 lb F 2 = 60 lb
13

ⓒ 2007 R. C. Hibbeler. Published by Pearson E…(省略) ducation, Inc., Upper Saddle River, NJ. All rights reserved. This material is protected under all copyright laws as they currently exist. No portion of this material may be reproduced, in any form or by any means, without permission in writing from the publisher.

Engineering Mechanics - Stat



hibbeler chapter2 솔루션


12,기계설계,솔루션
정역학 , hibbeler chapter2 솔루션기계설계솔루션 , 12

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