Force acting on a particle is 
. Work done by this force is zero, when a particle is moved on the line 
. Here value of 
is -
Text Solution
Verified by ExpertsThe correct answer is:
A
Force is parallel to a line 
The equation of given line can be written as
Work done will be zero, when force is perpendicular to the displacement i.e., the above two lines are perpendicular or
or 
or 
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