in the following figure, the spring has a stiffness of k =2n/mm. the strip is 5 mm wide and 10 mm high. e = 200 gpa. the reaction force
In the following figure, the spring has a stiffness of k =2N/mm. The strip is 5 mm wide and 10 mm high. E = 200 GPa. The reaction forcegiven by the spring is (). The deflection at the end B of the clamped steel strip is ().
A、3, 1.5
B、4, 2
C、6, 3
D、8, 4