Question

which statement correctly describes the forces acting on the chair? no forces are acting on the chair. the unbalanced force of gravity is the only force acting on the chair. the upward force of the floor is equal to the downward force of gravity. the force of the floor on the chair is slightly greater than the force of gravity on the chair.

Explanation:

When a chair is at rest on the floor, according to Newton's third - law and equilibrium principles, the upward normal force exerted by the floor on the chair balances the downward force of gravity on the chair.

Answer:

The upward force of the floor is equal to the downward force of gravity.