Rubber has a high co-efficient of friction.
Yes, we can erase pencil marks with rubber because erasers are made out of rubber
I tried it many times, it does not come off all the way, but most of it comes off.
the point, I think, is either the amount of different substances in the graphite/lead, or even the type of eraser...
If you mean the erasers that have a soft side and a hard side, it is because the soft side is designed to erase lead or graphite from a pencil and the hard side is for erasing ink.
a pencil eraser is a conductor .
Yes, we can erase pencil marks with rubber because erasers are made out of rubber
Erasers can erase lead. Although, rubber can erase lead, too; erasers are made of rubber. You can use a rubber ball to erase writing from a pencil.
at first the rubber is made to erase the pencil mark.
You can erase pencil without an eraser by using a piece of bread or a rubber band. Just gently rub the bread or rubber band over the pencil marks to lift them off the paper.
Rubber is able to erase pencil marks because it has a sticky and abrasive surface that lifts and removes the graphite from the paper. When rubbed against the paper, the friction created by the rubber loosens the graphite particles, allowing them to stick to the rubber and be wiped away.
Joseph Priestly.
a rubber used to erase pencil marks is 'une gomme'
Depends on the brand of eraser, because some are very bad, and erase some, not all, but as long as it's classified as an eraser in the store, it can erase all pencil markings.
they used rat fur
The easiest pencil to erase on the market is a mechanical pencil with HB lead.
The concept of an eraser can be traced back to ancient times when people used breadcrumbs or soft materials to rub out errors. The modern rubber eraser was invented in the late 18th century by Edward Nairne, who discovered that natural rubber could erase pencil marks effectively.
Rubber is able to erase pencil marks because it has a sticky surface that adheres to graphite particles on the paper. As the rubber is rubbed against the paper, it picks up and removes the graphite particles, effectively erasing the pencil marks.