The shear force at the ends of a simply supported beam carrying a uniformly distributed load of w per unit length is

A. Zero at its both ends

B. $${\text{w}}l$$ at one end and $$ - {\text{w}}l$$  at the other end

C. $$\frac{{{\text{w}}l}}{2}$$ at one end and $$ - \frac{{{\text{w}}l}}{2}$$  at the other end

D. $$\frac{{{\text{w}}{l^2}}}{2}$$ at one end and $$ - \frac{{{\text{w}}{l^2}}}{2}$$  at the other end

Answer: Option C