If W is the load on a circular slab of radius R, the maximum circumferential moment at the centre of the slab, is
A
$$\frac{{{\text{W}}{{\text{R}}^2}}}{{16}}$$
B
$$\frac{{2{\text{W}}{{\text{R}}^2}}}{{16}}$$
C
$$\frac{{3{\text{W}}{{\text{R}}^2}}}{{16}}$$
D
Zero
Correct Answer: $$\frac{{3{\text{W}}{{\text{R}}^2}}}{{16}}$$