The fundamental force that is the principal cause of what we experience as frictional forces is:
A) gravitational force
B) electromagnetic force
C) weak force
D) strong force

Question

Quizplus · Accepted Answer

Frictional forces are ultimately caused by the electromagnetic force, which is the force responsible for the interactions between charged particles (such as the atoms and molecules that make up surfaces that are in contact). This force causes the atoms and molecules to interact and resist relative motion between the surfaces.

The Fundamental Force That Is the Principal Cause of What