An elevator weighing 3.5 x 10-6 N is raised to a height of 1000 m in the absence of friction, the work done is_________________?

(A) 3.5 x 103 J (X)
(B) 3.5 x 104 J (X)
(C) 3.5 x 106 J (X)
(D) 3.5 x 109 J ()

Answers: An elevator weighing 3.5 x 10-6 N is raised to a height of 1000 m in the absence of friction, the work done is 3.5 x 109 J.