1
PROBLEM SET 6
ME 212
Some problems taken from
earlier editions of Hibbler
Section 17.1 (pg 395: Mass moment of inertia)
From 12th Edition
1.78 m
4.45 kg m2
Section 17.4 (pg 425: rotation about a fixed axis)
From 12th Edition
cfw_-4.91 j m/s2 cfw_ -14.7
Problem numbers correspond to
12th Edition (may be slightly
different for 13th Edition)
Section 12.2 (rectilinear motion)
1
PROBLEM SET 1
ME 212
Section 12.7 (use normal-tang coord)
13 m/s, 76 m, 8.33 s ANS
3.05 m/s2
-24 m/s2, -880 m, 912 m
ANS
ANS
45.5 m
1
PROBLEM SET 8 (last one)
ME 212
Linear impulse-mom of particles
Impact of particles
~
smooth means = 0
15-b
16.1 m/s
48.4 m
vA2 = cfw_- 0.0862 i - 0.964 j m/s
vB2 = cfw_- 1.06 i m/s
Cons of momentum for a system of particles
15-a
Impulse-momentum of r
1
PROBLEM SET 7
ME 212
Work, KE
14-a. The collar below has a mass of 30 kg and a
coefficient of friction of = 0.4 when it slides on the
supporting rod. A spring is attached to the collar that has an
unstretched length of 0.2 m and a spring constant of k =
4
1.
page 4 of 11
2.
2.
MARKS
( /100)
A small block of mass 0.3 kg is pulled along a radial slot in the outward
(away from centre) direction by a cable being wound onto a small winch
(motor driven spool). When the block is a distance of 0.5 m from the
cen
1
PROBLEM SET 4
ME 212
Some problems taken from the
12th Edition
Section 16.7 (pg 363: rel mot analysis: accel)
y
cfw_-5 k rad/s
cfw_-2.5 k rad/s2
Y, y
x, X
From 12th Edition
x
th
From 12 Edition (with some modifications)
*16-112. The hoop is cast on a
1
Problem numbers correspond
to 13th Edition (mostly)
PROBLEM SET 2
ME 212
Section 16.3 (rotation about fixed axis)
1.78 m/s, 15.8 m/s2 ANS
cfw_-82.1 k rad/s
126 rad/s
ANS
D = cfw_11.8 k rad/s ANS
1
PS 2 SOLUTIONS
ME 212
Section 16.3 (rotation about fixe
1
PROBLEM SET 5
ME 212
Some problems taken from
earlier editions of Hibbler
Section 13.1 (pg 107: Newtons 2nd law)
Section 13.5 (pg 131: n-t coordinates)
13-a. Determine the gravitational attraction between two
spheres which are just touching each other.
1
PROBLEM SET 3
ME 212
Problems taken from 12th and
13th Edition
Section 16.5 (rel motion analysis: velocity)
th
th
From 12 Edition; similar to 16-61 in 13 Edition
Section 16.6 (instant centres)
From 12th Edition; similar to 16-99 in 13th Edition
cfw_1.04