This is pretty impressive.
How many times have you wondered how strong those cement barriers are that you see in front of military base and other government building entrances? The barriers will stop traffic, even trucks, from approaching the secured building. In this test, the following parameters were used. Read them and then watch the film. Truck = 65,000 lbs. Speed = 50 mph Kinetic Energy = 5.5 MILLION ft. lbs. Stopped in 24 INCHES !!!
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