16. A box of mass 1 kg. is pulled on a horizontal plane
of length Im by a force of 8 newtons then it is
raised vertically to a height of 2m, the net work
done is
(1) 28 joule (2) 8 joule
(3) 18 joule (4) None of the above
Answers
Answered by
5
Work done along horizontal
W_x = F × x
= 8 × 1
= 8 J
Work done along vertical
W_y = F × y
= mgh
= 1 × 10 × 2
= 20 J
Net work done = W_x + W_y = 8 + 20 = 28 J
Answered by
0
Answer:
18 joule
Explanation:
saimridula:
exlplanation
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