The type of force that tends to make two adjacent parts of the same body slide relative to each other in a direction parallel to their plane of contact.
A strain, or change of shape, of an elastic body, consisting of an extension in one direction, an equal compression in a perpendicular direction, with an unchanged magnitude in the third direction.
Force which acts on gravity, perpendicular to a plane. A heavy hanging item, held by nails or screws, is subject to the force of gravity that acts on the subject with "shear force".