Question

1. what are the three failure tendencies of a simple beam with a uniformly distributed load w over its entire length.

Explanation:

A simple beam with a uniformly distributed load can fail in three main ways. Flexural failure occurs due to excessive bending moment causing tensile or compressive stress failure in the beam's cross - section. Shear failure happens when the shear force exceeds the beam's shear capacity, often at supports. Deflection failure is when the beam deflects excessively under the load, making it unfit for service even if it hasn't fractured.

Answer:

a) Flexural failure (due to bending moment). b) Shear failure (due to shear force). c) Deflection failure (excessive deformation).