Biomechanics Exam Review Question with
Accurate Solutions Verified by Expert
The velocity dependent response of a viscoelastic material is attributed to
a. force relaxation
b. creep
c. spring
d. damper
e. none of the above - Answer d. damper
A viscoelastic material is pulled to a fixed length and held at that length, the force will
a. remain constant because the length is fixed
b. decline over time
c. slowly increase due to creep
d. show a linear change according to -kx
e. none of the above - Answer b. decline over time
A constant force of 20lbs is used to pull a muscle, the muscle undergoes considerable lengthening when
the force is applied and then slowly continues to lengthen. This response is
a. creep
b. force relaxation
c. hysteresis
d. strain
e. none of the above - Answer a. creep
The area under the unload curve of a stress - strain graph
a. represents force relaxation
b. describes the energy absorbed by the material
c. represent creep of the material
,d. describes the energy returned by the material
e. none of the above - Answer d. describes the energy returned by the material
The area between the load and unload regions of a stress - strain graph
a. represents creep
b. describes the energy absorbed by the material
c. represents force relaxation
d. describes the stiffness of the material
e. none of the above - Answer b. describes the energy absorbed by the material
Viscoelastic material show which of the following
a. creep
b. force relaxation
c. hysteresis
d. a velocity dependent response
e. all of the above - Answer e. all of the above
A purely elastic spring will exhibit
a. creep
b. force relaxation
c. a hysteresis
d. a velocity dependent response
e. none of the above - Answer e. none of the above
Which of the following elements can model the velocity dependent response of a material?
a. spring
b. torsion spring
c. shear spring
d. dashpot or damper
, e. none of the above - Answer d. dashpot or damper
The force necessary to deform an elastic element is described by
a. Hooke's law
b. Bernoulli's law
c. Copernicus equation
d. Laplace equation
e. none of the above - Answer a. Hooke's law
A bone that strains 100 microstrain during normal to heavy loading is
a. too compliant
b. too stiff
c. just right
d. none of the above - Answer b. too stiff
According to sensory organizational theory, the CNS uses which of the following to maintain balance?
a. vestibular
b. somatosensory
c. vision
d. all of the above - Answer d. all of the above
The slope of a stress - strain curve describes the
a. hysteresis
b. viscosity
c. creep
d. stiffness
e. none of the above - Answer d. stiffness
The inverse of stiffness is
Accurate Solutions Verified by Expert
The velocity dependent response of a viscoelastic material is attributed to
a. force relaxation
b. creep
c. spring
d. damper
e. none of the above - Answer d. damper
A viscoelastic material is pulled to a fixed length and held at that length, the force will
a. remain constant because the length is fixed
b. decline over time
c. slowly increase due to creep
d. show a linear change according to -kx
e. none of the above - Answer b. decline over time
A constant force of 20lbs is used to pull a muscle, the muscle undergoes considerable lengthening when
the force is applied and then slowly continues to lengthen. This response is
a. creep
b. force relaxation
c. hysteresis
d. strain
e. none of the above - Answer a. creep
The area under the unload curve of a stress - strain graph
a. represents force relaxation
b. describes the energy absorbed by the material
c. represent creep of the material
,d. describes the energy returned by the material
e. none of the above - Answer d. describes the energy returned by the material
The area between the load and unload regions of a stress - strain graph
a. represents creep
b. describes the energy absorbed by the material
c. represents force relaxation
d. describes the stiffness of the material
e. none of the above - Answer b. describes the energy absorbed by the material
Viscoelastic material show which of the following
a. creep
b. force relaxation
c. hysteresis
d. a velocity dependent response
e. all of the above - Answer e. all of the above
A purely elastic spring will exhibit
a. creep
b. force relaxation
c. a hysteresis
d. a velocity dependent response
e. none of the above - Answer e. none of the above
Which of the following elements can model the velocity dependent response of a material?
a. spring
b. torsion spring
c. shear spring
d. dashpot or damper
, e. none of the above - Answer d. dashpot or damper
The force necessary to deform an elastic element is described by
a. Hooke's law
b. Bernoulli's law
c. Copernicus equation
d. Laplace equation
e. none of the above - Answer a. Hooke's law
A bone that strains 100 microstrain during normal to heavy loading is
a. too compliant
b. too stiff
c. just right
d. none of the above - Answer b. too stiff
According to sensory organizational theory, the CNS uses which of the following to maintain balance?
a. vestibular
b. somatosensory
c. vision
d. all of the above - Answer d. all of the above
The slope of a stress - strain curve describes the
a. hysteresis
b. viscosity
c. creep
d. stiffness
e. none of the above - Answer d. stiffness
The inverse of stiffness is
