Is a contact force that objects exert on each other when they rub together.

friction

Explanation:

Friction.

Explanation:

Force may be defined as the push or pull of any object that can change the shape, size and motion of the object. Two main types of forces are contact force and non contact force.

Friction is a type of contact force that can be generated by rubbing of the two objects. The friction force is a type of opposing force and can also stop the motion of any object. This force can easily be generated by rubbing the hands as well and the friction produce heat as well.

Thus, the correct answer is friction force.

answer; i believe the answer is (polygenic inheritance;