Viscous force is somewhat like friction as it opposes the motion and is non-conservative but not exactly so, because: (i) its velocity dependent while friction not(ii) its velocity independent while friction is (iii) its temperature dependent while friction not(iv) its independent of area like surface tension while friction depends

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( i ,ii)

( i ,iv)

( i ,iii )

( ii ,iii )

answer is C.

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Detailed Solution

VISCOSITY is wet friction but it depends upon area and temperature.

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