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Determine the magnitude of F2 which will cause the reaction Cy at the bearing C to be equal to zero 

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The bent rod is supported at A, B, and C by smooth
journal bearings. Determine the magnitude of F2 which will
cause the reaction Cy at the bearing C to be equal to zero.
The bearings are in proper alignment and exert only force
reactions on the rod. Set F1 = 300 lb.

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18 сен 2024

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Комментарии : 18   
@andrewfilippi4476
@andrewfilippi4476 2 года назад
can you please explain a little more as to why there is no Cy,By, or Az in the free body diagram, thanks
@drc022800
@drc022800 2 года назад
Because these are journal bearings and not thrust bearings. Thrust bearings restrict movement in the Cy By and Az directions so there would be a reaction force but since these are journal bearings the movement is not restricted and there is no reaction force.
@Brickswol
@Brickswol 2 года назад
Many of your videos are helpful, but on this one I think you skipped over alot of important details that would help students follow what you're doing.
@AbuZJabrek
@AbuZJabrek Год назад
for equation 4 before you moved the varablies to the other side why is 212.13 postive and not negative
@za3676
@za3676 2 года назад
Shouldn't equation 6 have Ax(4) because you put 5 but that is the distance from the force.
@kiss6917
@kiss6917 2 года назад
Equation 6 comes from the moments around z, therefore the distance is involved
@drc022800
@drc022800 2 года назад
yes it should be ax 4 and not ax 5
@ericcabrera8239
@ericcabrera8239 Год назад
this whole question took my an hr to complete
@aaronm6263
@aaronm6263 2 года назад
I don’t understand why we don’t have moments Mx,y,z if the object is restricted from rotating abt these axes?
@cyberslumz
@cyberslumz 2 года назад
why isnt Cz part of the moments equation for X?
@LimblessAnt
@LimblessAnt Год назад
Dropping in 2 months later, I think it is because Cz is directly on the x-axis and therefore would not influence its turning
@cyberslumz
@cyberslumz Год назад
@@LimblessAnt I dropped out but thanks anyways
@joeyGalileoHotto
@joeyGalileoHotto 3 года назад
So basically the premise of the problem is to not include Cx into the force calculations?
@kaigardner3399
@kaigardner3399 3 года назад
These joints are called journal bearings and they can slide in and out so Cx doesn't exist
@shannyatigala7407
@shannyatigala7407 Год назад
it's hard to find your mouse pointer when you explain something on the picture other than writing
@Dakkei-h6m
@Dakkei-h6m 3 года назад
could someone tells me why cy = 0 plz?
@JoThoLuka
@JoThoLuka 3 года назад
The question is to find what magnitude of F2 will make Cy=0. Cy therefore has to be 0.
@sohaib31syed27
@sohaib31syed27 Год назад
I have a question what can I do send me your email I'd so I can send you the question with diagram
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