Please review and complete the required information on this cover page
before answering the questions.
Biomechanics
BMED-4540
Department of Biomedical Engineering
Rensselaer Polytechnic Institute
In-class closed book exam
(Attach Crib Sheet)
Date: Sep
Please review and complete the required information on this cover page before answering the questions.
Biomechanics BME 4540 Department of Biomedical Engineering Rensselaer Polytechnic Institute In-class closed book Exam III
December 8, 2005
Durati
Biomechanics Homework 3
Solutions
Problem 1
A long bone is sectioned (cut) perpendicular
to its long axis (left figure),exposing the
forces and moments on the cut plane, as
shown on the right.
Identify moments on the cut plane that
tend to twist the lon
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Biomechanics Quiz 1
Answers
Question 1 (20 points, 10 each)
A.) Ra =
A.)Rb =
Question 2 (20 points, 10 each)
A.) Fd =
A.) Fj =
Question 1
A hinged
structure
made of 2
rigid circular
arc members
is loaded as
shown.
Determine
the reaction
at
Biomechanics
Homework 3
Due 2/20/2012
Problem 1
A long bone is sectioned (cut) perpendicular
to its long axis (left figure),exposing the
forces and moments on the cut plane, as
shown on the right.
Identify moments on the cut plane that
tend to twist the
Biomechanics Quiz 1
Solutions
Question 2
= 100 N
A man holds a weight W (100N) at a
distance of 60 cm from the center of
rotation of the humeral head.
Determine the force FD and FJ
A couple of assumptions have been made while solving this problem
The vect
Biomechanics
Practice Exam
Exam on : 9th
April 2012
Time: 1 hour 45
mins
Problem 1
Problem 2
The dimensions of a mechanical test specimen are 10
x 10 x 1 mm3. Forces along the x-axis (Fx = 0.5 N)
and along the z-axis (Fz = 2 N) caused deformation of
0.2
Biomechanics
Dummy Exam
Problem 1
Problem 2
Problem 3
Consider the motion
x=X + X1*k*e1
let dX(1) = (dS1 / (2^0.5)*(e1+ e2) &
dX(2) = (dS2 / (2^0.5)*(-e1+ e2)
Are the differential material elements in the un-deformed
configuration.
(a) Find the deformed e
Biomechanics Homework 9
Problem 1
Find the centroids and moments of inertia for the structure shown alongside.
Problem 2
Find the centroids and moments of inertia for the structure shown alongside.
Problem 3
A hollow LEHI cylinder has an inner radius a =
Biomechanics Homework 8
Problem 1
The elastic modulus for the bar of length l = 2cm is 70 GPa. Find the elongation of
the bar under tensile force 2kN. The bar has a cross section of 4mm2 and 2mm2.
Problem 2
The elastic modulus for the bar of length l = 3c
Biomechanics Homework 7
Problem 1
A 2-m length of an aluminum pipe of 240-mm outer diameter and 10-mm
wall thickness is used as a short column and carries a centric axial load of
640 kN. Knowing that E = 73 GPa and v = 0.33. Determine
a.) The change in th
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Biomechanics Quiz 4
22nd March 2012
Problem 1
Given ux = ( - 1)X and uy = 0
a) Compute the approximate/ linear strain (xx,
yy, and xy) for =1.1 and 1.5.
b) If the system has an imaginary cut making a
45 degree angle with the horizontal shown
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Biomechanics
Homework 1
Due 8 am 2/6/2012
Question 1
Given 2 vectors
a = 3i + 2j + 5k and b = 2i + j
Find
A.
B.
C.
D.
a+b
a-b
a.b
axb
Question 2
Given 2 vectors
a = 3i + 2j + k and b = 2i + j + 2k
Find the angle between the 2 vectors using the
definition
Biomechanics Homework 1
Solution
Question 1
Given 2 vectors
a = 3i + 2j + 5k and b = 2i + j
Find
A.
B.
C.
D.
a+b = 5i + 3j + 5k
a-b = i + j + 5k
a.b = 8
axb = -5i +10j-k
Question 2
Given 2 vectors
a = 3i + 2j + k and b = 2i + j + 2k
Find the angle between
Biomechanics
Dummy Exam
Problem 1
Problem 2
Problem 3
Consider the motion
x=X + X1*k*e1
let dX(1) = (dS1 / (2^0.5)*(e1+ e2) &
dX(2) = (dS2 / (2^0.5)*(-e1+ e2)
Are the differential material elements in the un-deformed
configuration.
(a) Find the deformed e