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Civil Engineering · Q136

Applied Mechanics And Graphic Statics

Engineering and GATE · Civil Engineering · question 136

Q136

Lami's theorem states that

A.
Three forces acting at a point are always in equilibrium
B.
If three forces acting on a point can be represented in magnitude and direction by the sides of a triangle, the point will be in the state of equilibrium
C.
Three coplanar forces acting at a point will be in equilibrium, if each force is proportional to the sine of the angle between the other two
Answer
D.
Three coplanar forces acting at a point will be in equilibrium if each force is inversely proportional to the sine of the angle between the other two

Answer: Option C

Solution

Answer: Option C
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