WITH CORRECT DETAILED ANSWERS
____ force per unit area. - correct answer- Stress
____ is a measure of resistance to bending and buckling. -
correct answer- Moment of Inertia
____ is caused by short duration overstressing. - correct
answer- Creep
____ is much weaker in tension than compression. - correct
answer- Concrete
____ is the center of mass or area. - correct answer-
Centroid
____ is the physical change in size and shape caused by stress. -
correct answer- Strain
, ____ is the stiffest of the materials listed below. - correct
answer- Steel
_____ ____ is caused by loads that stress the material beyond
the elastic range. - correct answer- Plastic Deformation
A cantilever as described in the previous question in ____ on the
top surface and in ____ on the bottom surface. - correct
answer- Tension; Compression
A simple beam as described in the previous question in ____ on
the top surface and in ____ on the bottom surface. - correct
answer- Compression; Tension
Concrete os much ____ in compression than tension. -
correct answer- Stronger
Describe the centroid of an area. - correct answer- The
center of mass or area.
Following the sign convention used in the text, a cantilever with
only gravity loads acting on it would have a ____ bending
moment. - correct answer- Negative