1.1 A steel ring of mean diameter 250mm has a square section 2.5mm by 2.5mm. it

1.1
A steel ring of mean diameter 250mm
has a square section 2.5mm by 2.5mm. it is split by a narrow radial saw cut. The
saw cut is opened up further by a tangential separate force of 0.2N. calculate
the extra separation at the saw cut. E=200Gpa.1.2 A semi-circular frame of Flexural rigidity
EI is built in at A and carries a vertical load W at B. The figure is not
shown; you need to sketch it yourself. calculate the magnitude of the vertical
and horizontal deflections at B and hence the magnitude and direction of the
resultant deflection.1.3 A steel ring of 250mm diameter
has a width of 50mm and a radial thickness of 5mm. it split to leave a narrow
gap of 5mm wide normal to the plane of the ring. Assuming the radial thickness
to be small compared with the radius of the ring curvature; find the tangential
force that must be applied to the edges of the gap to just close it. what would
be the maximum stress in the ring under the action of this force? E= 200GPa1.4 The frame is constructed from a
rectangular bar 25mm wide by 12mm thick. the end A is constrained by guides to
move in a vertical direction and carries a vertical load of 2KN. for the frame
material E=200GPa. Determine (a) the Horizontal reaction at the guides. (b) The
vertical deflection of A Thanks for your help.