(Solved):
(25pts) A 1.5in9 in beam is screwed to a 4.5in9 in beam as shown, using rows of 3 screws (f ...
(25pts) A 1.5in×9 in beam is screwed to a 4.5in×9 in beam as shown, using rows of 3 screws (figure not to scale). If each screw can support a shearing force of 250lbf, what is the minimum spacing s between rows needed to support an internal shear force V=1000lbf ?