A particle of weight is held in equilibrium by two light strings making equal angles with the horizontal, where . Find the tension in each string.

Answer and explanation

Correct answer: C.

  1. Step 1: Resolve vertically: .
  2. Step 2: N.
Answer
.
Why not the others: is what you get if you ignore the angle of the strings. is what you get if you use with and swapped. is what you get if you use in place of .

Practise more Applied Maths: Forces, Friction and Equilibrium.

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