To what radius an Aluminium strip 300 mm wide and 40mm thick can be bent, if the maximum stress in a strip is not to exceed 40 N/mm². Take young’s modulus for Aluminium is 7×10⁵ N/mm².

To what radius an Aluminium strip 300 mm wide and 40mm thick can be be

1.	To what radius an Aluminium strip 300 mm wide and 40mm thick can be bent, if the maximum stress in a strip is not to exceed 40 N/mm². Take young’s modulus for Aluminium is 7×10⁵ N/mm².
A.	45m
B.	52m
C.	35m
D.	65m
Answer» D. 65m