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Questions and Answers
According to the text, when does the force of friction come into play?
According to the text, when does the force of friction come into play?
irrespective of whether the objects are solid, liquid or gaseous.
In Fig.12.1, which direction will the force of friction act on the box?
In Fig.12.1, which direction will the force of friction act on the box?
from left to right ((\Rightarrow))
To sharpen the blade of a knife by rubbing it against a surface, which of the following will be most suitable?
To sharpen the blade of a knife by rubbing it against a surface, which of the following will be most suitable?
stone
On which surface will a toy car released with the same initial speed travel farthest?
On which surface will a toy car released with the same initial speed travel farthest?
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If we apply oil on door hinges, what will happen to the friction?
If we apply oil on door hinges, what will happen to the friction?
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According to the text, does the force of friction only come into play if the objects are solid?
According to the text, does the force of friction only come into play if the objects are solid?
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In Fig.12.1, which direction will the force of friction act on the box?
In Fig.12.1, which direction will the force of friction act on the box?
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To sharpen the blade of a knife by rubbing it against a surface, which of the following will be most suitable?
To sharpen the blade of a knife by rubbing it against a surface, which of the following will be most suitable?
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On which surface will a toy car released with the same initial speed travel farthest?
On which surface will a toy car released with the same initial speed travel farthest?
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If we apply oil on door hinges, what will happen to the friction?
If we apply oil on door hinges, what will happen to the friction?
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