Yet Another Reason To Pay Attention During Physics Class

Here now is a practical demonstration on impulsive tension, and why a large force applied for a very short period of time is bad for tow hooks.

"Well that's what you do with these straps, you just go."

"No."

Remember, when towing with a tow strap, to always pull very slowly; a little force can go a long way, if you know how to apply it. Which is gradually. You want to apply it gradually:

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H/t Boing Boing

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DISCUSSION

This is why trains start slow, as each of the couplings has to hit their limit one by one, and gently. If they started fast all the couplings would just snap.