01 / 6 · Practical Engineering
Rubber tires provide this traction against a road surface, but it’s not entirely reliable.
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So since the rubber ball takes up more space, it has a higher buoyancy force.
The rubber ball sinks because the force from gravity on the thick rubber skin and the air inside is bigger than the buoyancy force.
It’s a constriction, just like a kink in a rubber hose, which means it can cause a serious reduction in the flow rate.
I hadn't showered that day, and I fight crime in a rubber suit.
There are also cofferdams built of steel frames with a membrane and even water-filled rubber bags.
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