Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play
A
Only if the objects are solid
B
Only if one of the two objects is a liquid
C
Only if one of the two objects is a gas
D
Irrespective of whether the objects are solid, liquid or gas.
Text Solution
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The correct Answer is:
D
The concept of friction is applicable for solids as well as liquid surfaces.
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