The polygon law of forces states that if a number of forces, acting simultaneously on a particle, be represented in magnitude and direction by the sides a polygon taken in order, then their resultant is represented in magnitude and direction by the closing side of the polygon, taken in opposite direction.

Related MCQs

• The triangle law of forces states that if two forces acting simultaneously on a particle, be represented in magnitude and direction by the two sides of a triangle taken in order, then their resultant may be represented in mangnitude and direction by the third side of of a triangle, taken in opposite order.
• If three forces acting at a point are represented in magnitude and direction by the three sides of a triangle, taken in order, then the forces are in equilibrium
• If three forces acting at a point be represented in magnitude and direction by the three sides of a triangle, taken in order, the forces shall be in equilibrium.
• Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to
• If a number of forces acting at a point be represented in magnidude and direction by the three sides of a triangle, taken in order, then the forces are not in equilibrium
• Two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. If the line of action of the resultant is 6 mm from any given force the two forces are
• If the resultant of two equal forces has the same magnitude as either of the forces, then angle between the two forces is
• The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by
• Varingon's theorem of moments states that if a number of coplaner forces acting on a particle are in equilibrium, then
• According to the law of moments, if a number of coplaner forces acting on a particle are in equilibrium, then