A stationary object is in a state of equilibrium, meaning the net force acting on it is zero. Even though the object is not moving, there can still be forces acting on it, as long as they balance each other out.

Here are some common forces that might act on a stationary object:

* Gravity: This pulls the object downwards towards the center of the Earth.

* Normal Force: This is a contact force that acts perpendicular to the surface the object is resting on, pushing back against the force of gravity.

* Friction: This force opposes motion and can act even on a stationary object, like the friction between the object and the surface it rests on.

* Tension: If the object is being held by a rope or string, the tension in that rope will act upwards, counteracting gravity.

* Applied Force: Someone could be pushing or pulling on the object, but this force might be counteracted by other forces, keeping the object still.

It's important to remember that for a stationary object, the forces acting on it must be balanced. This means that the sum of all the forces acting in one direction must be equal to the sum of all the forces acting in the opposite direction.