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When we would nail it, it would not be nailed,it would open because there is no friction.
the sandpaper has more friction
Something with a low coefficient of friction such as PVC or PTFE polymers
There is friction, but comparatively little unless the glass is very clean. Because the glass is not touching over the majority of its surface. Instead trapped air is between the two plates. This massively reduces the coefficient of effective friction. Normally, if glass is clean so that the surfaces can touch, they will "stick together" as they are so flat and friction is so high - ask anyone working with glazing glass - they try never to let two panes touch except at an edge.
The pieces stuck together. This is because there will be more of a chain reaction, so there will be more neutrons available to leak in the first place.
When we would nail it, it would not be nailed,it would open because there is no friction.
friction is what makes it hard to rub two pieces of sand paper together
A ripping bar is primarly used for extracting nails from used lumber, or to separate pieces of wood that are nailed together.
Friction always wastes energy and heat is produced
the sandpaper has more friction
Rubing two pieces of wood together rapidly and consistently can cause enough friction to heat the wood to the point of ignition. However these days I doubt if there are many aboriginals that would light a fire that way. a lighter is much easier.
You want high friction so that the energy lost to friction is converted to heat energy. The greater the friction, the greater the amount of energy coverted to heat (or sparks). So low friction means you will have to rub your two pieces of wood (or whatever you're using) together for much longer. Good luck!
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Rubing two pieces of wood together rapidly and consistently can cause enough friction to heat the wood to the point of ignition. However these days I doubt if there are many aboriginals that would light a fire that way. a lighter is much easier.
Something with a low coefficient of friction such as PVC or PTFE polymers
In the Stone Age, people made fire by friction. They would use a bow drill or a hand drill to create friction between two pieces of wood. This friction generated heat, which could then ignite dry tinder, such as leaves or bark, and start a fire.
Your new material may aggregate, or bring together, pieces of information that are not individually classified, but when presented together they render your new material classified. This classification concept is called _______. Revealed by Contained in Directed by Classification by Compilation