Static Help!!?

Determine the magnitude of the force which member CD exerts on the pin C

?2021-03-23T20:21:45Z

Favorite Answer

Sum the moments around pin B:
ΣM = 0 = Fcd*cos20º*0.62m - 255N*0.31m
(Fab and Fbc pass through B and so are ignored.)
Solves to Fcd = 136 N

oubaas2021-03-23T19:07:33Z

F = 255/(2*cos 20°) = 136 N