Problem 6.5ﬂ
Letting RA = 8in., R3 = 4.2in., and RC = 6.5in., determine the angular velocity of gears B and C
when gear A has the angular speed wA = 945 rpm in the direction shown.
Solution
Referring to the ﬁgure below, H , E , and O are the centers o
Problem 5.12 E
A 180 gr (7000 gr 2 1 lb) bullet goes from rest to 3300 ft/s in 0.0011 s. Deter
mine the magnitude of the impulse imparted to the bullet during the given time "
interval. In addition, determine the magnitude of the average force acting on
Problem 3.6l
A crate of weight W = 5501b has been attached to a pickup truck by a rope whose tensile strength is
it"‘maK = 3501b. If the truck and crate start at rest with :9 = 30°, determine the maximum acceleration of
the truck such that the rope does n
FLIGHT MECHANICS Exercise Problems
CHAPTER 4
Problem 4.1
Consider the incompressible flow of water through a divergent duct. The inlet velocity and area are 5 ft/s and 10 ft2, respectively. If the exit area is 4 times the inlet area, calculate the water
MEC31 1 Dynamics Test
III
2008
NAME
.
'J,ID
f'.
a.
At the instant shown (9: 60o), point,4 of the bar shown in the risht has
a velocity i o = 5j ft/s and acceleratio rr d.o =
l j ff ls . Answer the
following questions assuming points A and^B of the bar a
Department of Mechanical & Industrial Engineering
Rverson Universitv
MEC3l
1
Dvnamics
Midterm Test
w2010
March 5,2010
Date:
4:10  6:00 pm
Time:
Instructors: D. Oguamanam, H. Lu
Note:
.
.
'.
.
This test is CLOSED BOOK, an accompanylng formula sheet is
pro
'f r+^), =
MEC311 Quiz
1(A)
71.
2008
ID 
Name
rr*,
The particle travels along a curve on a vertical plane with
constant speed 40 mm/s; see Figure. Answer following
questions when atx = 100 mm (each part weighs 33.3 %o).
a
Sec
,r
\A, B (a) Find accele
Problem 1.7E
The velocity of the car has the following repiesentation: 1—,? = (8.30? —l— 0.126,?) 111/5. Determine the
magnitude of E. In addition, knowing that the angle 6' describes the orientation of i5. determine 9 and
express its value in degrees.
Pmbmm4Aﬂ
A man whose mass is m = 80 kg is in an elevator that accelerates at as = 1.5 m/s2
over a distance of d = 2 m. Determine the work done by the weight force acting
on the man and the work done by the normal force the ﬂoor of the elevator exerts
on h
Problem 2.10 E
An airplane takes off as shown following a trajectory described by equation y xxz, where
x = 2 x10_4ft_1. When x = 1200a, the speed of the plane is on = 110mph.
Using the component system shown, provide the expression for the velocity of th
M
EC
U
Obtained from Ryerson's Mechanical Engineering Course Union (MECU)
www.ryemecu.com
MECU
Page 1 of 5
www.ryemecu.com
M
EC
U
Obtained from Ryerson's Mechanical Engineering Course Union (MECU)
www.ryemecu.com
MECU
Page 2 of 5
www.ryemecu.com
M
EC
U
Ob
Work and energy principle
and its applications in ME
Concept of work and KE
Work and KE principle, W = KE
Work and KE of a constant force, in the direction of displancement,
with an angle , F = constant, F = 0, S=0, =30, = 90., work of friction
on leve
Obtained from Ryerson's Mechanical Engineering Course Union (MECU)
MEC311 Quiz l(A)
Name :.
www.ryemecu.com
2008
=~ ID 

Sec _ _
. I  
The particle travels along a curve on a vertical plane with a
constant speed 40 mm/s; see Figure. Answer following
Obtained from Ryerson's Mechanical Engineering Course Union (MECU)www.ryemecu.com
_
t:.'i<
;,g
~
2008
Name'
ID
. T~'\
The
constant sm'p(\
_'~T~.~.~,:,_
a
a curve on a
see
minIS;
~/!
www.ryemecu.com
, .'
y
33.3 %).
use tangential/n()~c=
. J
(e)
m=
,t c
Obtained from Ryerson's Mechanical Engineering Course Union (MECU)
www.ryemecu.com
Student Section:
Quiz #3B W2011; Duration 15 Minutes; Total Marks: 10;
~eight
2% Overall
A nose wheel landing gear mechanism for a small airplane is shown;below. During the
C) ~,
Obtained from Ryerson's Mechanical Engineering Course Union (MECU)www.ryemecu.com
/
,/
.~
NAME~_
2008
ynamics Test
1. At the
shown (e = 60), point A
a velocity VA =
fils and acceleration
questions assuming
at
for
(Write
www.ryemecu.com
JVwC311
y
B
Obtained from Ryerson's Mechanical Engineering Course Union (MECU)
www.ryemecu.com
Quiz 1
MEC311 DYNAMICS
_ !_~~ : l 5
_
~~~~~~P._l_~ 
M
irl
Justify your answer
1 (10 pt.s) Tite acceleration of a rarticle traveling along a
straight line is a .
Mechanical
test is
10
an ac(;onnp,myin fOfDlula s.helet IS
Allt'vn,~s
on noncommunicable l.:atl.:Uli;ILUI
11 0 minutcs,
# I
1
2
3
4
Page 1 of 9
EC
U
marks
M
(last)
bV\
MECU
Obtained from Ryerson's Mechanical Engineering Course Union (MECU)www.ryemecu.c