Question

.What is the amount of work done in holding a 15 kg suitcase for 15 minutes?

Answer 1

The work done depends upon force and displacement caused due to force.
But in this question, no displacement occurs.
Work done = Mass* acceleration due to gravity* displacement
Work done = 15*0*10
so work done is zero

Answer 2

MAthematicaaly work done is 0 because force is perpendicular which cancells ot