1) Make a drawing with the value that you know. Use the scale: 10 N=1 cm. Add the forces, as you solve this problem. 2) Write F₁, F2, F3, and FR in cartesian notation forms. How many unknowns do you have? 3) Write as many equations as you need to solve your unknowns. Do you have enough? 4) Solve for the magnitude of F₁ and F3.

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter1: Introduction To Statics
Section: Chapter Questions
Problem 1.74P: It can be show that a plane area may he represented by a vector A=A, where A is the area and ...
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Three forces are applied to a hook. Knowing that:
F₁ is aligned with x-axis.
F₂ has a magnitude of F₂=43 in N and a direction of alpha=-39deg.
F3 is aligned with the hypotenuse of a 3-4-5 triangle as shown on the drawing.
FR, the resultant force is equal to FR 52i+23j in N.
3
F3 y y ↑
27/0
of
F₁, F₂, F3, and FR are not respected.
Le
In the next question submit your draft with all your steps.
In this box give the magnitude of F₁ in Newton with one decimal.
F₁
->x
Note: The proportion
1) Make a drawing with the value that you know. Use the scale: 10 N=1 cm. Add the forces, as you
solve this problem.
2) Write F₁, F2, F3, and FR in cartesian notation forms. How many unknowns do you have?
3) Write as many equations as you need to solve your unknowns. Do you have enough?
4) Solve for the magnitude of F₁ and F3.
5) Find also the magnitude of Fr.
6) Are the values correlated with the drawing, make sure to have all the force's now on the drawing.
Explain, if all the answers make sense and why.
F₂
Transcribed Image Text:Three forces are applied to a hook. Knowing that: F₁ is aligned with x-axis. F₂ has a magnitude of F₂=43 in N and a direction of alpha=-39deg. F3 is aligned with the hypotenuse of a 3-4-5 triangle as shown on the drawing. FR, the resultant force is equal to FR 52i+23j in N. 3 F3 y y ↑ 27/0 of F₁, F₂, F3, and FR are not respected. Le In the next question submit your draft with all your steps. In this box give the magnitude of F₁ in Newton with one decimal. F₁ ->x Note: The proportion 1) Make a drawing with the value that you know. Use the scale: 10 N=1 cm. Add the forces, as you solve this problem. 2) Write F₁, F2, F3, and FR in cartesian notation forms. How many unknowns do you have? 3) Write as many equations as you need to solve your unknowns. Do you have enough? 4) Solve for the magnitude of F₁ and F3. 5) Find also the magnitude of Fr. 6) Are the values correlated with the drawing, make sure to have all the force's now on the drawing. Explain, if all the answers make sense and why. F₂
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