F =4 kNF =5 kNF =8 kNExpress the force F3 as a vector form. i, i, k are unit vectors. Which following one is TRUE?A) F3= 8.sin75.i + 8.sin75.j2B) F3= - 8.cos75.i - 8.sin75.k60°45°->C) F3= - 8.cos75.i + 8.sin75.j1D) F3= 8.cos75.i - 8.cos75.jE) F3= - 8.sin75.i + 8.cos75.j

The given system of force is as shown below, The angle θ is,…

F = 4 kN F, =5 kN F =8 kN Express the force F3 as a vector form. i, j, k are unit vectors. Which following one is TRUE? A) F3= 8.sin75.i + 8.sin75.j B) F3= - 8.cos75.i - 8.sin75.k 60° 45 C) F3= - 8.cos75.i + 8.sin75.j D) F3= 8.cos75.i - 8.cos75.j

F = 4 kN F, =5 kN F =8 kN Express the force F3 as a vector form. i, j, k are unit vectors. Which following one is TRUE? A) F3= 8.sin75.i + 8.sin75.j B) F3= - 8.cos75.i - 8.sin75.k 60° 45 C) F3= - 8.cos75.i + 8.sin75.j D) F3= 8.cos75.i - 8.cos75.j

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter6: Beams And Cables

Section: Chapter Questions

Problem 6.6P: Find the internal force systems acting on sections 1 and 2.

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Question

F =4 kN
F =5 kN
F =8 kN
Express the force F3 as a vector form. i, i, k are unit vectors. Which following one is TRUE?
A) F3= 8.sin75.i + 8.sin75.j
2
B) F3= - 8.cos75.i - 8.sin75.k
60°
45°
->
C) F3= - 8.cos75.i + 8.sin75.j
1
D) F3= 8.cos75.i - 8.cos75.j
E) F3= - 8.sin75.i + 8.cos75.j

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