A) \[{{F}_{1}}+{{F}_{2}}+{{F}_{3}}=0\]
B) \[{{F}_{1}},{{F}_{2}}\]and\[{{F}_{3}}\]are concurrent
C) \[{{F}_{1}},\]and\[{{F}_{2}}\]act at the same point but, \[{{F}_{3}}\] acts at different point
D) \[{{F}_{1}}+{{F}_{2}}\] is parallel to \[{{F}_{3}},\]but the three forces are not concurrent
Correct Answer: B
Solution :
Only if the three forces are concurrent, they cannot produce a net clockwise or anticlockwise momentum, which is neccessary for rotation.
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