In this context ... referring to directions at a surface ... the word "normal" doesn't mean 'usual' or 'typical'. It means the direction perpendicular to the surface. Knowing this strange (abnormal) use of the word should clear up the confusion.
Normal force is the component perpendicular to the surface in mechanics. It prevents an object from penetrating the surface with the contact force exerted.
Normal to the surface is a vector which is perpendicular to that surface
normal is a perpendicular from reflecting surface
It is reflected at the same angle to the normal. The normal is a line perpendicular to the surface.
A normal line is the name of the line drawn perpendicular to the surface where a light ray strikes.
the normal force
Normal force is the component perpendicular to the surface in mechanics. It prevents an object from penetrating the surface with the contact force exerted.
Normal to the surface is a vector which is perpendicular to that surface
The line perpendicular to a surface at a point is called the normal
normal is a perpendicular from reflecting surface
The normal (ray).
It is reflected at the same angle to the normal. The normal is a line perpendicular to the surface.
A normal force is a force perpendicular to something - for example, to a surface. This force can be supplied by just about anything; in many cases by gravity.A normal force is a force perpendicular to something - for example, to a surface. This force can be supplied by just about anything; in many cases by gravity.A normal force is a force perpendicular to something - for example, to a surface. This force can be supplied by just about anything; in many cases by gravity.A normal force is a force perpendicular to something - for example, to a surface. This force can be supplied by just about anything; in many cases by gravity.
It is reflected at the same angle to the normal. The normal is a line perpendicular to the surface.
A normal line is the name of the line drawn perpendicular to the surface where a light ray strikes.
A normal line is the name of the line drawn perpendicular to the surface where a light ray strikes.
A normal line is the name of the line drawn perpendicular to the surface where a light ray strikes.