CM 2500 EXAM 1 PART 1 WITH
COMPLETE SOLUTIONS
Stresses that tend to move layers in different directions are called ______ stresses. -
ANSWER-SHEAR
The primary stress associated with a column is ______. - ANSWER-COMPRESSIVE
The primary stress associated with a beam is______. - ANSWER-BENDING &
SHEARING
The primary stress associated with a cable is ______. - ANSWER-TENSION
The primary stress associated with a truss is _______. - ANSWER-TENSION &
COMPRESSIVE
The primary stress associated with an arch is _______. - ANSWER-COMPRESSIVE
Cables are always considered to be in ________. - ANSWER-Tension
A stable, determinate cantilever has ___ reaction(s) and ___ support(s). - ANSWER-
3 reactions & 1 support
The ________ is a single vector that is an equal replacement of a group of vectors
that has the same external effect. - ANSWER-RESULTANT
The ______ is a vector that is equal in magnitude but opposite in sense to the
resultant of all the forces acting on the body. - ANSWER-EQUILIBRANT
T/F. Shear stress is the primary type of stress seen in a typical truss. - ANSWER-
False.
Tension & Compression
T/F. The units of a moment are a force times a distance squared. - ANSWER-False.
Force times distance: K-FT, lb-FT, etc.
T/F. Cales are always considered to be in compression. - ANSWER-False.
Tension
What are the units of a moment? - ANSWER-Force times distance.
lb-FT, KIP-FT, lb-in, k-in
T/F. There is a moment when a vector passes through the moment of interest. -
ANSWER-False.
NO moment with vector passing through
COMPLETE SOLUTIONS
Stresses that tend to move layers in different directions are called ______ stresses. -
ANSWER-SHEAR
The primary stress associated with a column is ______. - ANSWER-COMPRESSIVE
The primary stress associated with a beam is______. - ANSWER-BENDING &
SHEARING
The primary stress associated with a cable is ______. - ANSWER-TENSION
The primary stress associated with a truss is _______. - ANSWER-TENSION &
COMPRESSIVE
The primary stress associated with an arch is _______. - ANSWER-COMPRESSIVE
Cables are always considered to be in ________. - ANSWER-Tension
A stable, determinate cantilever has ___ reaction(s) and ___ support(s). - ANSWER-
3 reactions & 1 support
The ________ is a single vector that is an equal replacement of a group of vectors
that has the same external effect. - ANSWER-RESULTANT
The ______ is a vector that is equal in magnitude but opposite in sense to the
resultant of all the forces acting on the body. - ANSWER-EQUILIBRANT
T/F. Shear stress is the primary type of stress seen in a typical truss. - ANSWER-
False.
Tension & Compression
T/F. The units of a moment are a force times a distance squared. - ANSWER-False.
Force times distance: K-FT, lb-FT, etc.
T/F. Cales are always considered to be in compression. - ANSWER-False.
Tension
What are the units of a moment? - ANSWER-Force times distance.
lb-FT, KIP-FT, lb-in, k-in
T/F. There is a moment when a vector passes through the moment of interest. -
ANSWER-False.
NO moment with vector passing through
