Forces


 * air resistance force
 * applied force
 * at-a-distance force
 * centripetal force
 * compression
 * contact force
 * electrical force
 * electromagnetic force or electromagnetism
 * frictional force
 * gravitational force or gravity or gravitation
 * magnetic force
 * normal force
 * shear force
 * spring force
 * strong force or strong nuclear force
 * tensional force
 * torsion
 * upthrust
 * weak force or weak nuclear force