## Sinus Method in Equilibrium

- Category: Shortcuts
- Written by fisikastudycenter

Shortcut to physics equilibrium, finding forces using sinus rule. Given angles between three forces that are in equilibrium condition as below figure. You are asked to determine T_{1} and T_{2} rope tensions.

See the shortcut and how it works.

The shortcut formulae

Follow the answer of above question to know how it works:

A block of 120 N with three involved ropes as this figure

Sketch the forces and the magnitude of angles involved. We'll find the tension of rope 1 and 2 using our shortcut above. The related angles are:

Using T_{1} and T_{3} = 120 N relationship then we get

Using T_{2} and T_{3} = 120 N relationship we get the result