4-8 | Engineering Statics | Method of joints | Chapter 4 | Engineers Academy

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Engineering Statics by Meriam and Kraige!
4-8 | Engineering Statics | Method of joints | Chapter 4 | Engineers Academy
4/8 Determine the force in each member of the loaded truss. Make use of the symmetry of the truss and of the loading.

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[yaconengineering]

While you calculate summation of FX, why did you consider AB, sin 38.66 and FY reaction force which is 60 K.N negative ? I think AB is along postive x direction and reaction force EY is also along positive direction.

[syedumerfarooqbukhari]

bohot he alaa sir g ky bt h bhai yarr marrah lash pash

[thabomolepi]

If I may ask how did he get those first 30 kn and 60 kn and 30kn

[awesomeswordsman]

at 9:02 couldn't we have used the two known angles in the ABH triangle to find the third without having to use the 38.66 angle? i did it without using the 38.66 angle at that part

[scitronerdmob]

Can you please do method of section using this same problem?

[redroses]

hi how did you find out AH is in that direction? bc it is under compression ?

[rakhimberdirakhmanov]

how did u know which are compressive and tensile, u got all positive values and u just giving the compression and tension from the sky
,

[jvlitz]

how do i know if its tension or compression?