A) \[4\times 6\] unit
B) \[6\times 3\]unit
C) \[5\times 6\]unit
D) \[4\times 3\]unit
Correct Answer: D
Solution :
\[W=\overrightarrow{F}.\overrightarrow{s}=(4\hat{i}+5\hat{j}+0\hat{k}).(3\hat{i}+0\hat{j}+6\hat{k})\] \[=4\times 3\] units
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