δ = (W a 2 b 2 ) / (3 EIl) is the value of deflection for ______
a. simply supported beam which has central point load
b. simply supported beam which has eccentric point load
c. simply supported beam which has U.D.L. point load per unit length
d. fixed beam which has central point load
a. simply supported beam which has central point load
b. simply supported beam which has eccentric point load
c. simply supported beam which has U.D.L. point load per unit length
d. fixed beam which has central point load