University:
Shippensburg University of Pennsylvania
Course:
PHY 205 | Intermediate Physics I
Academic year:

2022
Views:

6

Pages:

1
Author:

Lemony

mech. prop. of so elastic metals, rubber, quariz Plastic: mud, putty, clay Stress = F A Strain: Adimension oridimensiom Hooke's law: Stress Strain Estress -volume stress sheering stress compressive force Changein size Tensile stress longitud force Clongation/comp. stress F -strain= L A Youngs mad. AL Y = FAL Poisson's rand: = lateral strain stress = AP strain = AV Bulks modulus k = V dp dv (= compressible) linear strain elastic lime yield point glass ceramics brittle metals ( ductile)→ plastic Strain energy: = ½ Fe - stress: F hon, AreA tangential force change in shape strains Al mod of rigidity = Ε AO PxD=diam gold, silver malleable rubber Stadin energy per unit volume -Large elastic range (stress) (strain) hardness: resistance to permanent de formation Strength x force reg. to cause deformation. Toughness: resist tracturing. Bulletproof glass : not Drill bits are strong hard, strong, tough •JAnvils: not Fougtihard friction Static friction > sliding friction rolling friction sened: Yeff wired: → paralles slimin is A1+A2