3-32 Deterire the agnitutde and diretiun angle 9 uf force Fa so that the particle shawm in Fig. P1-12 is in oqui- Jibrium. к -м 33 = 80 N Fie. P3-12

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3-32 Deterire the agnitutde and diretiun angle 9 uf
force Fa so that the particle shawm in Fig. P1-12 is in oqui-
Jibrium.
к -м
33
= 80 N
Fie. P3-12
Transcribed Image Text:3-32 Deterire the agnitutde and diretiun angle 9 uf force Fa so that the particle shawm in Fig. P1-12 is in oqui- Jibrium. к -м 33 = 80 N Fie. P3-12
Expert Solution
Step 1

Given:

The magnitude and direction angle θ of force F4 is determined below.

Step 2

The figure which represents all the forces is given below,

 

     Advanced Physics homework question answer, step 2, image 1

Step 3

On applying equations of equilibrium for the system in the y-direction,

Fy=0

F1sin30+33+F2sin30-F3sin 60+F4sinθ=0

F4sinθ=-500×sin63-750×sin30+1000×sin60

 F4sin θ=45.522    1

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