Determine the magnitude and the direction cosines of a displacement which as x , y, and z component of 11 ft, 1 ft, and - 7 ft respectively. Magnitude is 13.076 ft, COS a = 32.729 cos B = 85.613 and cos y = 122.366
Determine the magnitude and the direction cosines of a displacement which as x , y, and z component of 11 ft, 1 ft, and - 7 ft respectively. Magnitude is 13.076 ft, COS a = 32.729 cos B = 85.613 and cos y = 122.366
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
Calculate the magnitude of the resultant.
∣∣R∣∣=112+11+(−7)2‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾√ =13.076 ftR=112+11+-72 =13.076 ft
Calculate the value of cosine angle along x-direction.
cosα=1113.076 α=32.73°cosα=1113.076 α=32.73° (incorrect)
Calculate the value of cosine angle along y-direction.
cosβ=113.076 β=85.61°cosβ=113.076 β=85.61° (incorrect)
Calculate the value of cosine angle along z-direction.
cosγ=−713.076 γ=122.4° (incorrect)
Please solve these incorrects
Transcribed Image Text:Determine the magnitude and the direction cosines of a displacement which as x , y, and z component of
11 ft, 1 ft, and – 7 ft respectively.
Magnitude is 13.076
o ft ,
COS a =
32.729
cos B :
85.613
and cos y =
122.366
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