**Question:**

he general expression for the B.M. of a beam of length l is the beam carries M= wl/2 x- wx2/2

**Option A):**

a load varying linearly from zero at one end to w at the other end**Option B):**

a uniformly distributed load w/unit length**Option C):**

none of these.**Option D):**

an isolated load at mid span

**Correct Answer is Option B):**

a uniformly distributed load w/unit length