| : Can you help me with a solution to the following problem : : A BEAM 7 METRES LONG IS SIMPLY SUPPORTED AT ITS ENDS TO CARRY A CENTRAL CONCENTRATED LOAD OF 80 KN . IF THE BEAM IS TO BE OF RECTANGULAR SECTION ,THE DEPTH BEING TWICE THE WIDTH , DETERMINE ITS DIMENSIONS IF THE MAXIMUM STRESS IN THE MATERIAL IS 60 MN/m2
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