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OneSidedDice t1_jbc4684 wrote

So the force of the bar increases logarithmically?

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sumknowbuddy t1_jbcbwej wrote

It's applying the same force to lift/drag the log the entire time

What you're seeing is the log raising, and the drag/friction from the ground and gravity being overcome causing it to appear much faster. Look at how the log hits the bed of the truck before speeding up. That removes much of the force needed to "lift" the log, and it slides in easily after that point

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bremidon t1_jbep97i wrote

So how do they fasten that onto the wheel? Does it just snugly fit over it, or do they need to screw it on?

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N35t0r t1_jbf3xqd wrote

They probably have the round part bolted with the tire nuts, and just slot in the metal beam when needed.

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bremidon t1_jbf6hkk wrote

I suppose they will have some sort of mechanism to keep it from being pulled out as well. But yes: that sounds practical.

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