Solve the below problem:
Q: The vise shown consists of two members connected by two double-threaded screws of mean radius 6 mm and pitch 2 mm. The lower member is threaded at A and B (µs =0.35), but the upper member is not threaded. It is desired to apply two equal and opposite forces of 540 N on the blocks held between the jaws. Determine
(a) Which screw should be adjusted first?
(b) The maximum couple applied in tightening the second screw.
![1878_Maximum couple applied in tightening the screw.jpg](https://secure.tutorsglobe.com/CMSImages/1878_Maximum couple applied in tightening the screw.jpg)