The uniform 37-kg bar OB is secured to the accelerating frame in the 27° positio

Question

The uniform 37-kg bar OB is secured to the accelerating frame in the 27° position from the horizontal by the hinge at O and roller at A. If the horizontal acceleration of the frame is a = 39 m/s2, compute the force on the roller FA and the magnitude FO of the force supported by the pin at O.

DONT BOTHER ANSWERING I FIGURED IT OUT. thanks.

The uniform 37-kg bar OB is secured to the accelerating frame in the 27A degree position from the horizontal by the hinge at O and roller at A. If the horizontal acceleration of the frame is a = 39 m/s2, compute the force on the roller FA and the magnitude FO of the force supported by the pin at O.

Explanation / Answer

Here the Moment about the Hinge should be Zero

So Let the required Force at point A is FA

Therefore

FA*1.9 = 37*9.8*(5720+1900)*0.5*10^-3*Sin(117 degree)

FA = 647.858 N

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