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The resultant of two forces is …

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The resultant of two forces is 20N.When on of the force is 10√3 N and angle between two forces is 30° , then what is value of second force
  • 1 answers

Sirjan Kaur 3 years, 1 month ago

Solution to this problem ?? A+B= R So, B= R-A Now B^2 = R^2 + A^2 - 2RA cos30° B^2 = (20)^2 + (10√3)^2 - 2(20×10√3) × √3/2 So B^2 = 400+ 300 - 600 B^2= 700-600 B^2 = 100 Hence , B = 10 N
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