Express the 4.5-kN force F as a vector in terms of the unit vectors i, j, and k. Determine the scalar projections of F onto the x-axis and onto the line OA. Answers: F=(i Fx= i FOA = i z 26° F = 4.5 KN 52° A 33° i+ i kN kN j+ i k) kN

Express the 4.5-kN force F as a vector in terms of the unit vectors i, j, and k. Determine the scalar projections of F onto the x-axis and onto the line OA. Answers: F=(i Fx= i FOA = i z 26° F = 4.5 KN 52° A 33° i+ i kN kN j+ i k) kN

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter2: Basic Operations With Force Systems

Section: Chapter Questions

Problem 2.104RP: The three forces of magnitude P can be replaced by a single, equivalent force R acting at point A....

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Question

Express
the 4.5-kN force F as a vector in terms of the unit vectors i, j, and k. Determine the scalar projections of F onto the x-axis and
onto the line OA.
Answers:
F=(i
Fx= i
FOA =
i
z
26°
F = 4.5 KN
52°
A
33°
i+ i
kN
kN
j+
i
k) kN

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