a hidrolic press excerts a total load of 3. 5 mn which is carred by two steel rods of 2.5 m loong supprting the upper head of the press.if the safe stress is 85 MPa and E=210KN/mmsqure.calculate ( a)...

a hidrolic press excerts a total load of 3. 5 mn which is carred by two steel rods of 2.5 m loong supprting the upper head of the press.if the safe stress is 85 MPa and E=210KN/mmsqure.calculate ( a) the diameter of the rods and (b) extension in each rod.