Q. According to lami's theorem (Solved)
1. the three forces must be equal
2. the three forces must be at 120? to each other
3. the three forces must be in equilibrium
4. if the three forces acting at a point are in equilibrium, then each force is proportional to the sine of the angle between the other two
- d. if the three forces acting at a point are in equilibrium, then each force is proportional to the sine of the angle between the other two