Answer to Question #141999 in Quantum Mechanics for Keleko Pierre Michelle

Question

12 State and explain the conditions under Which a rigid body remains in equilibrium under the action of a set of coplanar forces.

Answer 1

Coplanar Forces: three or more parallel forces are required. They will be in equilibrium if the sum of the forces equals zero and the sum of the moments around a point in the plane equals zero. Equilibrium is also indicated by two sums of moments equal to zero.