Answer :

Since the force applied by me is a conservative force, the work done by me on the suitcase does not depend on the path taken by the suitcase. So, option A satisfies. Now work done is the product of force and displacement and it does not depend on time. So, option B is right. Here we concerned about the work done by me but not by the gravitational force (mg) acting on me, hence it also does not depend on the weight of person, but it does depend on weight of the suitcase.

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