A) 1000 J
B) zero
C) -2000 J
D) 2000 J
Correct Answer: A
Solution :
\[{{\operatorname{W}}_{net}}=Area\,\,of\,\,triangle\,\,ABC\] \[=\,\,\frac{1}{1}AC\,\,\times \,\,BC\] \[=\,\,\,\frac{1}{2}\times 5\times {{10}^{-}}^{3}\times 4\times 1{{0}^{5}}=\,\,1000J\]
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