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Three Forces F subscript 1 end subscript text end text F subscript 2 end subscript and F subscript 1 end subscript together kccp a body in equilhcium. If F subscript 1 end subscript equals 3 text end text N along the positive X text end text text .axis end text blank F subscript 2 end subscript equals 4 text end text N along the positive Y. axis, then the third force F subscript 3 end subscript is

  1. 5 N-making an angle theta equals t a n to the power of negative 1 end exponent invisible function application left parenthesis 3 divided by 4 right parenthesis with negative y -axis    
  2. 5 N - making an angle theta equals t a n to the power of negative 1 end exponent invisible function application left parenthesis 4 divided by 3 right parenthesis with native y-axis    
  3. 7 N - making an angle theta equals t a n to the power of negative 1 end exponent invisible function application open parentheses fraction numerator 3 over denominator divided by 4 end fraction close parentheses with negative y-axis    
  4. 7 N - making an angle theta equals t a n to the power of negative 1 end exponent invisible function application left parenthesis 4 divided by 3 right parenthesis with negative y-axis    

The correct answer is: 7 N - making an angle theta equals t a n to the power of negative 1 end exponent invisible function application open parentheses fraction numerator 3 over denominator divided by 4 end fraction close parentheses with negative y-axis

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