Question

measuring 10 × 18 × 400 cm carries a uniformly distributed load such that the bending stress developed is 100 kg/cm2. The intensity of the load per metre length, is

Answer 1

Answer:

Explanation:

The correct answer is 270 kg.

Bending Stress = f = M/Z (Moment / section Modulus).

100 kg/cm2 = (WL^2/8)/(1/6 bd^3) M = 100/6 x 10 x 18^2.

M = 54,000 Kg.cm - 540 Kg.m.

M = WL^2/8= 540.

W = 8 * M / L^2.

W = 8 * 540 / 4^2.

W = 270 Kg.

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