A pencil eraser loses tiny pieces of rubber each time you use it. Why does this happen?
When a pencil eraser rubs the surface of the paper, friction is produced between the rubber and paper surface which causes loss of tiny pieces of rubber.
Related Articles A sharp point of a pencil shine while an eraser does not. why?
What is a rubber sucker? How does it work? State any one use of a rubber sucker.
Which among the following materials would you identify as soft materials and why? Ice, rubber band, leaf, eraser, pencil, pearl, a piece of wooden board, cooked rice, pulses and fresh chapati.
What happens when you rub your hands vigorously for a few seconds? Why does this happen?
Why does a sharp pencil hurt more?
Take a rubber band. Put it around the longer side of a pencil box. Insert two pencils between the box and the stretched rubber. Now, pluck the rubber band somewhere in the middle. Do you hear any sound? Does the band vibrate?"\n
When a plastic pen is rubbed in dry hair, it attracts tiny pieces of paper. Which force is involved in this process?
You might have observed on a dry day that when you touch the screen of a television or computer monitor with picture tube you get a slight shock. Why does it happen?
Can you change the shape of a eraser after erasing?
During the course of the year, the length of the day changes. How do the time of Sunrise and Sunset change between Summer and Winter? Why does this happen?
The atoms of copper contain electrons and the atoms of rubber also contain electrons. Then why does copper conduct electricity but rubber does not conduct electricity?
Why does it take some time to see objects in a dim room when you enter the room from bright sunshine outside?
Explain why a charged body loses its charge if we touch it with our hand.
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