Question

Which of these statements BEST defines friction?

1.It is a force that acts on an object when it is at rest.

2.It is a force that acts in a direction opposite to an object's motion.

3.It is a force that acts only on objects sliding down smooth surfaces.

4.It is the energy lost when an object moves from one place to another.​

Answer 1

Answer:

it is a force that acts in a direction opposite to an objects motion