Determine the smallest force F that must be applied to cause the curved rod to fail

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Determine the smallest force F that must be applied
along the rope in order to cause the curved rod, which has a
radius of 4 m, to fail at the support A. This requires a
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blud is singlehandedly saving mines students

Mac-twzu
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Shouldn't Bx=4cos45 and Bz=4sin45? Rather than the opposite.

oreoandbeesly
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How did he get the coordinates for point B?

malakai
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Is there any problem if I got the answer is equal to 511.9 N ?😅💔
Because there are quite differences in the decimal places between my steps of solution and yours .

nourdarwish
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bro can u help wiyh question of friction

vivekgandhi
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Why did you choose AB for the distance vector? Shouldn't it be from AC since the its about A and the force ends at C?

nuetro