# @stem_antics on Instagram

- **Type:** Video
- **Original URL:** https://www.instagram.com/p/DTvH16wEfml
- **Gondola URL:** https://gondola.cc/posts/61936073-stem-antics-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/11293027ed.jpg
- **Posted:** 2026-01-20T14:46:55.000+00:00
- **Account Owner:** Stem Antics (@stem_antics) — https://gondola.cc/stem_antics

## Caption

A fully loaded haul truck can weigh 350–400 metric tons. At that mass, even a “slow” downhill speed stores an enormous amount of kinetic energy (½mv²). When the service brakes fail, that energy has only a few places to go.

Most mining trucks rely on multi-layer braking systems:
• Service brakes (hydraulic)
• Retarders (engine or electric braking)
• Emergency/parking brakes
• Runaway ramps (last-resort physics)

If those systems can’t dissipate energy quickly enough, the brakes overheat. Friction turns motion into heat, brake pads glaze, fluids boil, and stopping force collapses — a classic case of thermal runaway.

At this point, gravity is doing continuous work on the truck. Every meter downhill adds energy faster than the brakes can remove it. The result?
➡️ Increasing speed
➡️ Structural stress on tires and axles
➡️ Potential tire explosions from heat
➡️ Complete loss of control

That’s why mines design escape ramps filled with gravel, uphill grades, and strict speed limits. You don’t “out-brake” 400 tons — you out-design the physics.

This isn’t just a scary video. It’s applied mechanics, thermodynamics, and safety engineering colliding in real life.

👇 Would you trust physics… or redundancy?

#STEMEducation #PhysicsInAction #EngineeringExplained #MiningEngineering #AppliedPhysics

## Stats

- **Views:** 3,576,073
- **Likes:** 250,492
- **Shares:** 0
- **Comments:** 213

## Tags

appliedphysics, stemeducation, physicsinaction, engineeringexplained, miningengineering

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