A) \[{{30}^{o}}\]
B) \[{{45}^{o}}\]
C) \[{{60}^{o}}\]
D) \[{{90}^{o}}\]
Correct Answer: D
Solution :
Since \[{{(13)}^{2}}={{(12)}^{2}}+{{(5)}^{2}},\] therefore forces are perpendicular.You need to login to perform this action.
You will be redirected in
3 sec