In this question, a statement of assertion 
is followed by a statement of reason 
. Mark the correct choice as:
Assertion: Work done depends on angle between force and displacement.
Reason: When the force retards the motion of a body, the work done is zero.
Text Solution
Verified by ExpertsThe correct answer is:
C
Work done 
. For retarding, the force 
should be inclined to 
at angle 
such that
. For this angle 
is negative, so work done is negative. Here, negative work done implies that some external force is applied to change the state of a body.
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