Question
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 coplaner forces acting at a point will be in equilibrium, if each force is proportional to the sine of the angle between the other two
d.
three coplaner 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
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