EGR 232 Dynamics: Homework Set 02
Fall 2013
Problem 11.33
A motorist enters a freeway at 45 km/h and accelerates uniformly to 99 km/h. From the odometer
in the car, the motorist knows that she traveled 0.2 km while accelerating. Determine a) the
accelerat

EGR 232 Dynamics: Homework Set 03
Fall 2013:
Prob. 11.63 A particle moves in a straight line with a velocity shown in the figure. Knowing that
x = -540 ft at t = 0, a) construct the a-t and the x-t curves for 0 < t < 50 s, and determine b) the total
dista

Set #1 Reetilinear Muen
I. The metien of a particle is dened by the relatien x = 3t4 + 413 th it + B, where x and t are
expressed in millimeters and seconds, respectively. Determine the position, the vein-city, and the
aeeeleretien of the particle whe

EGR 232 Dynamics
HW 26
Fall 2013
Chap. 15, Problem 150,
Two rotating rods are connected by slider block P. The rod attached at A rotates with a
constant angular velocity A. For the given data, determine for the position shown a) the
angular velocity of th

EGR 232 Dynamics HW 25
Chap 15: Problem 106
Fall 2013
A 900 mm rod rests on a horizontal table. A force P applied as shown produces
acceleration aA = 3.6 m/s2 to the right, = 6 rad/s2 counterclockwise as viewed from
above. Determine the point of the rod t

EGR232 Dynamics: Homework Set 15
Fall 2013
Problem 13:26
A 10 lb block is attached to an unstretched spring of constant k = 12 lb/in. The coefficients of
static and kinetic friction between the block and the plane are 0.60 and 0.40, respectively. If a
for

Chapter 13 Review
The Principle of Work and Energy
Applicable to all problems within a Newtonian Frame of Reference.
Use this for problems involving f, m, v and displacements.
T1 + U 12
For one particle:
= T2
where T = Kinetic Energy of the Particle = mv2

EGR 232 Dynamics: Homework Set 08
Fall 2013
Problem 12:4
A spring scale A and a lever scale B having equal lever arms are fastened to the roof of an elevator,
and identical packages are attached to the scale as shown. Knowing that then the elevator moves

EGR 232 Dynamics
Homework 01:
Homework:
Fall 2013
Problem 11:2
The motion of a particle is defined by the relation
where x and t are expressed in meters and second, respectively. Determine the position and the
velocity when the acceleration of the particl

' Set #19 - Plane Motion of Rigid Bodies
1. The motion of the 3415 rod AB is. gidded by two small
wheels that roll freer in a. horizontal slot out in a vertical
plate. Determine
a) the force F for which the reaction at A is zero,
in} the corresponding

EGR 232 Homework Set 29
Fall 2013
Problem 9.111
Determine the mass moment of inertia of a ring of mass m, cut from a thin uniform
plate with respect to a) the axis AA, b) the centroidal axis CC that is
perpendicular to the plane of the ring.
-Inertia abou

Chapter 17
Review
Plane Motion of Rigid Bodies
Principle of Work and Energy for the plane motion of RBs:
T1 + U12 = T2
where
and where
T = mivi2 or
T = M v2 + I 2
U 12 is the work done on the RB by external forces only.
Note 1: For a RB rotating about a p

Chapter 12 Review
Kinetics of Particles
Question: What is a Newtonian frame of Reference?
Answer: One where this statement is true: F = ma
Question: What are other names for a Newtonian Frame of Reference?
Answer: Absolute Frame, Inertia Frame, Fixed Fram

Kinematics of Rigid Bodies
Chapter 15
The various types of motions for a Rigid Body can be put into 5 categories:
1.
2.
3.
4.
5.
Translation
Rotation about a fixed axis
General Plane Motion
Motion about fixed point
General 3D Motion
y
Translation
rA = rB

EGR 232 Lecture 23 Homework
Fall 2013
Chap. 15, Problem 40
Small wheels have been attached to the ends of rod AB and roll freely along
the surfaces shown. Knowing that wheel A moves to the left with constant
velocity of 1.5 m/s determine a) the angular ve

EGR232 Dynamics: Homework Set 05
Fall 2013
Problem 11.136
Determine the maximum speed that the cars of the roller coaster can reach along the circular
portion AB of the track if the normal component of their acceleration cannot exceed 3g.
_
Solution:
Curv

EGR232 Dynamics: Homework Set 18
Problem 13:146
Fall 2013
At an intersection car B was traveling south and car A was traveling 30 degrees north of east
when they slammed into each other. Upon investigation it was found that after the crash the two
cars go

I _ ._ ._ ._. .- - .. .._. ..--_
_ Set #11 Impact
: l. A o-g ball A is moving with a velocity of magnitude 6 mfg when it is hit as shown by a lkg
ball B which has a velocity ofmagnitude 4 Ito's. Knowing that the coefcient of restitution is 1.18 and
a

EGR 232 Dynamics Homework Set 17
Fall 2013
Chap. 13, Problem 124
A truck is traveling on a level road at a speed of 90 km/hr when its brakes
are applied to slow it down to 30 km/hr. An antiskid braking system limits
the braking force to a value at which t

Set #3 Curvilinear Motion
l. The motion ofa particle is dened by the position vector
r = Aliens 1+1 sin t)i + A{sin t t cos I} j, where t is
expressed in seconds. Determine the values of t for which 1
the position vector and the acceleration are I
a) p

EGR 232 Dynamics
HW 24
Fall 2013
Chap 15: Problem 75
The spool of tape shown and its frame assembly are pulled upward at a speed
vA = 750 mm/s. Knowing that the 80 mm radius spool has an angular velocity of 15 rad/s
clockwise and that at the instant shown

EGR232 Dynamics: Homework Set 16
Fall 2013
Problem 13:59
An elastic cord is stretched between two points A and B, located 16 in. apart in the same
horizontal plane. When stretched directly between A and B, the tension is 10 lb. The cord is
then stretched