यदि एक बीम दो संकेंद्रित भारों (concentrated loads) को सहारा देता है, तो केबल द्वारा अपनाई गई प्रोफाइल का आकार कैसा होता है?

During excavation support, if a raking shore begins to buckle when the load is uniformly distributed along its height, which internal stress condition primarily explains this failure?

Students build a physical model of a suspension bridge using strings and weights, then analyze tension distribution to derive a catenary curve. The teacher's approach BEST represents: