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calculate the work done in lifting body of mass 10kg to a height 10km above the ground....

Work done in lifting a body,

W = -mgh

m=10kg

g =9.81ms-2

h = 10km = 10000m

W = -10*9.81*10000 

 = -9.81 *105J

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10km=10x1000=10000.work done=-mgh(here -sign shows that body is going up..means against the value of g.Work Done=-mgh=-put d respective values in d equation

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