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Static equilibrium is a state in which all forces acting on an object are balanced, resulting in a stable and motionless position.
Dynamic equilibrium involves balanced forces that result in constant motion, while static equilibrium involves balanced forces that result in no motion.
The conditions for static equilibrium are that the sum of all forces acting on an object must be equal to zero, and the sum of all torques (or rotational forces) acting on an object must also be equal to zero.
The concept of static equilibrium is important in architecture and engineering, as it is necessary to ensure that structures and buildings are stable and will not collapse under the forces acting on them. It is also relevant in physics and mechanics, as it helps to understand the balance of forces in various systems.
Some examples of objects in static equilibrium include a book resting on a table, a ladder leaned against a wall, and a person standing still on the ground. In each of these situations, the forces acting on the object are balanced, resulting in no motion.