MEM238- Dynamics
Spring 2012
QUIZ #3 (20 minutes)
SOLUTIONS
(Closed Book, Closed Notes, Show All Work)
Page 1
Problem #1
The 2kg collar is given a downward velocity of 4m/s when it is at A. If the spring has
an unstretched length of 1m and a stiffness of

Chapter 12
Kinematics of a Particle
Section
12.9
Absolute Dependent Motion Analysis of Two Particles
1
Applications Dependent Motion
The cable and pulley system
shown can be used to modify the
speed of the mine car, A, relative
to the speed of the motor,

Chapter 12
Kinematics of a Particle
Section
12.1-12.3
Introduction
Rectilinear Kinematics: Continuous Motion
Rectilinear Kinematics: Erratic Motion
1
Kinematics of a Particle
Well begin with the study of kinematics. More specifically,
well consider the

Chapter 13
Kinetics of a Particle:
Force & Acceleration
Section
13.1-13.3
Newtons Second Law of Motion
The Equation of Motion
Equation of Motion for a System of Particles
1
Applications
(Newtons Laws of Motion)
The motion of an object depends on
the fo

Chapter 12
Kinematics of a Particle
Section
12.7
Curvilinear Motion: Normal and Tangential Components
1
Applications
Curvilinear Motion: Normal & Tangential Components
Cars traveling along a cloverleaf interchange experience an
acceleration due to a cha

MEM-238
Dynamics
Introduction
1
WHAT IS MECHANICS?
Study of what happens to a thing (the technical name is
BODY) when FORCES are applied to it.
Either the body
and/or the forces could be large or small.
2
Mechanics
Mechanics branch of physical sciences

Chapter 12
Kinematics of a Particle
Section
12.4-12.5
General Curvilinear Motion
Curvilinear Motion: Rectangular Components
1
Applications Curvilinear Motion
The path of motion of a plane
can be tracked with radar and
its x, y, and z coordinates
(relati

MEM238- Dynamics
Spring 2016
QUIZ #1 (20 minutes)
SOLUTIONS
(Closed Book, Closed Notes, Show All Work)
Page 1
Problem #1
A particle travels along a straight line with a velocity of v = (4t 3t2) m/s, where t is
in seconds. Determine the position of the par

MEM238- Dynamics
Spring 2016
QUIZ #2 (20 minutes)
SOLUTIONS
(Closed Book, Closed Notes, Show All Work)
Page 1
Problem #1
The spring has a stiffness k = 200N/m and is unstretched when the 25kg block is at
A. Determine the acceleration of the block when s =

MEM238- Dynamics
Spring 2016
QUIZ #3 (20 minutes)
SOLUTIONS
(Closed Book, Closed Notes, Show All Work)
Page 1
Problem #1
If the motor exerts a constant force of 300N on the cable, determine the speed of the
20kg crate when it travels s = 10m up the plane,

Drexel University
College of Engineering
Department of Mechanical Engineering and Mechanics
MEM 238 DYNAMICS
SPRING 2016
Instructor Information:
Name
E-mail
Office Hours
Instructor
Peter R. Kraus
TA
Fatih Catpinar
prk28@drexel.edu
sfc38@drexel.edu
TBA
Des

Suppose the pins A and B mOVe with constant
velocity 3m/s along the circular path with the
radius 1 m. Consider the conﬁguration shown in
the Figure. 7
1~Determine r, 2'", 1“. 7
2—Determine the angular velocity and acceleration
of the arm. -
3-Let the mas

ocity v at an angle 6 with the vertical y—axis. A
direction. If the
its released position, determine the height h of
4.1
Fl.
A particle is ejected om the tube‘hﬁt'A mm;
ft
strong horizontal wind gives the particle at constant horizontal acceleration a in

MEM 230 Drexel University
Mechanics of Materials Spring 2010
Problem
Total
1
2
3
4
Max. Points
Midterm # 1 Time limit: 80 minutes Policy: Closed book and closed notes. A calculator is
permitted.
100
10
30
30
30
Points
1
1. [10 pts] A steel bar has a stres

Mechanical Engineering and Mechanics MEM 238 Dynamics Fall 2006 Designation: Required
Catalog description Kinematics and kinetics of system of particles and of rigid bodies in two and three-dimensional spaces. Force and acceleration, linear and angular mo

Problems for HW 7
Due Date: 02/27/014
11:59 PM
Problem 1
The simple pendulum of mass
and length is suspended from the trolley of mass
the system is released from
, determine the velocity
of the trolley when
.
Friction is negligible.
. If
Problem 2
A parti

MEM 238 (Spring 2012)
MIDTERM EXAM REVIEW
Chapters 12-15
1
The Midterm Exam
will be given during lecture
on Wednesday, May 2nd.
It will cover chapters 12-15 in
the Hibbeler text.
2
Topics (Chapter 12)
Section 12.1 Just an introduction
Section 12.2
Defi

NAME_
MEM238- Dynamics
Summer 2011
MIDTERM EXAM
SOLUTIONS
(Closed Book, Closed Notes, Show All Work, 5 Problems)
a
b
c
(Law of sines)
sin sin
sin
Basic Formulas:
c a b 2ab cos (Law of cosines)
2
For vector A : cos
-1
2
2
Ax
-1 Ay
-1 A
, cos
, cos z ,
A

MEM238- Dynamics
Spring 2012
QUIZ #1 (20 minutes)
SOLUTIONS
(Closed Book, Closed Notes, Show All Work)
Page 1
Problem #1
A hockey puck sliding on a thin film of water on a horizontal surface has a
deceleration directly proportional to its speed a(v) = 0.5

MEM238- Dynamics
Spring 2012
QUIZ #2 (20 minutes)
SOLUTIONS
(Closed Book, Closed Notes, Show All Work)
Page 1
Problem #1
A spring of stiffness k = 500N/m is mounted against the 10kg block. If the block is
subjected to the force of F = 500N, determine its

2- The 2 - kg slider ﬁts loosely in the smooth slot of the disk, which rotates about a
vertical axis through point 0. The slider is free to move slightly along the slot before one
of the wires becomes taut. If the disk starts from rest at time t = 0 and

MEM 238 Homework 3 Due 01/30/2014
1. The slotted arm is pivoted at O and carries the slider C. The position of C in the slot is
governed by the cord which is fastened at D and remains taut. The arm turns
counterclockwise with an angular rate . The length