Shear force that causes a clockwise rotation of the beam segment on which it acts is considered as positive. The opposite—Shear force that causes a counter-clockwise rotation of the beam segment is considered as negative. For bending moment, a moment that makes the beam section sag into a “happy face” shape — is taken as positive.
Most farmers shear their sheep once a year, but the timing varies from farm to farm. The verb shear also means to cause to break off or come apart with a cutting force.
The meaning of SHEAR is to cut off the hair from. How to use shear in a sentence.
SHEAR definition: 1. to cut the wool off a sheep: 2. to cut the hair on a person's head close to the skin…. Learn more.
shear (third-person singular simple present shears, present participle shearing, simple past sheared or shore, past participle shorn or sheared) (intransitive, transitive) To remove the fleece from (a sheep, llama, etc.) by clipping.
- to cut or clip the hair, fleece, wool, etc., from: to shear sheep. 4. to strip or deprive (usu. fol. by of): to shear someone of power. 5. to travel through by or as if by cutting: Chimney swifts sheared the air. 6. to subject (a solid body or structure) to shear.
To shear a sheep means to cut its wool off. In the Hebrides they shear their sheep later than anywhere else. [VERB noun]
Shear pin, in machinery, such as a plough, designed to shear (break) when a certain force is exceeded, to protect other components of the machine.