Question

The force of a hammer drives a nail into wood. This is an example of?

A. An unbalanced force.
B. Gravitational force.
C. Friction.
D. Balanced forces.

Answer 1

A. An unbalanced force.

Step-by-step explanation:

There needs to be a net force in order for the nail to be driven into presumably the wall. Without the net force then the hammer and nail wouldn't move.