Which best explains parrallel forces

The explanation: -when the parallel force system is a situation in which two forces of equal magnitude act in the same direction within the same plane, -and the parallel forces lie in the same plane and have lines of action that never intersect each other.

cant without the picture! ?

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

not copied too! hope this !

joke:

h o h o hope you have a merry christmas!