A) 12
B) 6
C) 1
D) 0
Correct Answer: A
Solution :
\[W=\overrightarrow{F}.\overrightarrow{s}=(3\hat{i}+c\hat{j}+2\hat{k}).(-4\hat{i}+2\hat{j}-3\hat{k})\]\[=-12+2c-6\] Work done \[=6J\] (given) \[\therefore \] \[-12+2c-6=6\]\[\Rightarrow \] \[c=12\]You need to login to perform this action.
You will be redirected in
3 sec