A) 0 unit
B) 4 unit
C) 15 unit
D) 19 unit
E) 23 unit
Correct Answer: C
Solution :
Work done = (Force . displacement) \[=(4\hat{i}-3\hat{j}+2\hat{k}).(-\hat{i}-3\hat{j}+5\hat{k})\] \[=(-4+9+10)=15\text{ }unit\]You need to login to perform this action.
You will be redirected in
3 sec