Question

state two condition when displacement is zero​

Answer 1

Answer:

Two conditions when the work done is zero are: (i) When there is no displacement (S=0) and, (ii) When the displacement is normal to the direction of the force (θ=90o)

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Answer 2

Answer:

Two conditions when the work done is zero are: (i) When there is no displacement (S=0) and,

(ii) When the displacement is normal to the direction of the force (θ=90o).