A) \[4\,\widehat{i}+4\,\widehat{j}+6\,\hat{k}\]
B) \[-21\,\,\widehat{i}+4\,\widehat{j}+4\,\hat{k}\]
C) \[-14\,\,\widehat{i}+34\,\widehat{j}-16\,\hat{k}\]
D) \[14\,\,\widehat{i}-38\,\widehat{j}+16\,\hat{k}\]
Correct Answer: D
Solution :
As, force \[\operatorname{F}=-\,3\hat{i}\,\,+\,\,\hat{j}\,\,+\,\,5\hat{k}\] and \[r=7\hat{i}\,\,+3\,\hat{j}\,\,+\,\,\hat{k}\]You need to login to perform this action.
You will be redirected in
3 sec