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1> Clearly Wrong.
2>This is true (In this case, rotational effect certainly wont be there. But there could be a case where the three forces dont pass through a point, still linear and rotational effects are zero)
3>NET Horizontal and vertical components should be zero. By what is given, one might infer that the horizontal and vertical components are equal BUT they could be of same sign too. But they need to be opposite in nature which is not given.
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Moderation Team
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