ENPH 131
Seminar 4
Last name _
Planar motion: normal and
tangential coordinates
ID# _
Faculty of Engineering
First name _
and
Department of Physics
Seminar section _
Starting Feb 06, 2017
1. A motorboat travels around a circular
path of =50m at a speed th

Non Uniform Kinematic
By: Yanchen Liao
Lab partner: Simran Sarai
ENPH 131, Lab Section EZ02
TA: Eric Koch
Date of lab: Feb.12, 2016
1 Introduction
This lab report discussed the relationship between average velocity ( v avg ) and instantaneous
velocity ( v

Acceleration Due to Gravity
By: Yanchen Liao
Lab partner: Yuqiao Wen
ENPH 131, Lab Section EZ02
TA: Eric Koch
Date of lab: Jan. 29, 2016
1 Introduction
In this experiment, the goal is to use graph providing by analyzed video to find out the motion of
a fr

2. Two bodies a {my=4ﬂkg}and3ﬁnﬂ=3i}kgjaro
Grant MacEwan Community College
Engineering Transfer Program
ENPH131— FINAL EXAM
Winter Session 1999
There are 5 questions of equal value. Complete ALL ti questions.
Show ALL worlt in the cum bookie! Include Fﬂﬂs

Engineering Physics 131
Supplemental Examination
Thursday, April 29, 2004 9:00 am 12:00 noon (3 hours)
No notes or texts allowed.
Formula sheet attached on last page (may be removed).
Calculators allowed.
This exam has 10 questions.
The value of each ques

Engineering Physics 131
Consolidated Final Examination
14 April 2001
14:00 PM 16:30 PM
No notes or texts allowed
Formula sheet is on the last page (may be removed)
Calculators allowed
This exam has 6 questions. Attempt ALL questions
The value of each ques

ENPH 131 Exam Review
1. (10 points) Two blocks A (WA = 30 lb) and B (WB = 20 lb) are connected by a flexible cable as
shown in Figure 1 below. The coefficients of friction between block A and the inclined plane are
k = 0.3 and s = 0.4, respectively. The h

Faculty of Engineering and Department of Physics
ENPH 131 Final Examination
Saturday April 25, 2015; 9:00 am 11:30 am
Universiade Pavilion
Sec EB01 (M. Woodside):
Sec EB02 (K. Chow):
Sec EB03 (T. Tang):
Sec EB04 (C. il Kim):
Sec EB05 (M. Wheelock):
Sec EB

EN PH 131: Mechanics
Final Exam Preparation
Fall 2015
General Information:
The Final Exam (worth 35% of the final grade for the course) will be on Monday, December 14th at
9:00 am to 12:00 pm in MEC 2-3.
Material Covered:
All material from the following s

EN PH 131 Engineering Mechanics
Examples (Instructor: Dr. T. Tang)
6. Linear Momentum and Impulse
6.1 A small ball of mass m is free to slide on the smooth vertical circular track as shown. The
ball is given sufficient speed at point A (when 0 ) so that i

EN PH 131 Engineering Mechanics
Examples (Instructor: Dr. T. Tang)
7. Planar Rigid Body Motion
7.1 A flywheel rotating freely at 1800 rev/min clockwise is subjected to a variable
counterclockwise torque (moment) which is first applied at t = 0. This torqu

EN PH 131 Engineering Mechanics
Examples (Instructor: Dr. T. Tang)
4. Dynamics
4.1 A particle of mass m suspended in a rigid
container by two massless, inextensible strings
AB and BC as shown. A force is applied to the
container so that it accelerates to

EN PH 131 Engineering Mechanics
Examples (Instructor: Dr. T. Tang)
3. Planar motion
3.1 In the figure shown below point P moves along a curved slot whose position is defined by
the equation y = 0.2 sin (cx) where c is a constant equal to rad/m (i.e. 3.141

EN PH 131 Engineering Mechanics
Examples (Instructor: Dr. T. Tang)
2. Rectilinear motion
2.1 Automobile A starts from rest at point O and accelerates at a constant rate of 0.8 m/s2. A
short time later it is passed by bus B which is traveling in the opposi

EN PH 131 Engineering Mechanics
Examples (Instructor: Dr. T. Tang)
5. Work and Energy
5.1 A block of ice with the mass of 6.00 kg is initially at rest on a horizontal surface. The
coefficient of the friction between the block and the surface is k 0.05 . A

Conservation of Energy
By: Yanchen Liao
Lab partner: Yuqiao Wen
Yueyang Wan
Shuo Jiang
ENPH 131, Lab Section EZ02
TA: Eric Koch
Date of lab: March, 4th 2016
1 Introduction
This lab discuss the conservation of energy by calculating the kinetic energy, pote

Moment of Inertia
By: Yanchen Liao
Lab partner: Yuqiao Wen
ENPH 131, Lab Section EZ02
TA: Eric Koch
Date of lab: March, 18th 2016
1 Introduction
This lab investigate the moment of inertia I of a rotating wheel with other variables. Moment of
inertia is a

Faculty of Engineering
ENPH 131
Seminar 3
Last name _
Curvilinear motion and
projectile motion
ID# _
First name _
and
Department of Physics
Seminar section _
Starting Jan 30 2017
1. Ranking. A projectile is launched from the origin
and follows the traject

Faculty of
Engineering
and
ENPH 131
Last Name:
Seminar 2
Rectilinear Motion
First Name:
ID Number:
Department of
Physics
Starting Jan 23, 2017
Seminar Section:
Please do all work on handout and box final numerical answers. Total=20 marks.
1. [5 points] Gi

1453/6/10?de 53
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1: 9 cs (/1le g)
ULFF'EIZEIUTVHE mm IZESPELI' T 0 T/IZE
8 =ECC5(_T2)2 97 A13 =1 gmxcoszlx)
2, L L
L
1' L L
Mo 1 MK [I 1' ()cosz[_1fx)l
I, I,
2) Ana =/W[L+[Ez% :as"[_zI:-X)J'VL
11/3 = cfw_If c/l/u [I 41%)

En Ph 131
Example
The speed of a car traveling in a straight line is plotted below as shown.
i) Determine the total distance it traveled until it stops at t = 80 sec.
Speed, v (m/s)
ii) Construct the accelerationtime (at) graph.
10
0
0
40
Time, t (s)
80

En Ph 131
Example
A train starts from rest and travels in a straight line with an acceleration shown below as a function of
position.
i) Determine the speed of the train when x = 300 meters.
Acceleration, a (m/s2)
ii) Sketch the velocitydistance graph for

En Ph 131
Example
A test projectile with mass 0.1 kg is red horizontally into two dierent liquids with an initial velocity
v0 = 400 m/s in each case. The retarding force of the liquid on the projectile results in the acceleration
of the projectile to be
1

Assignments 1
R. C. Hibbeler, Engineering Mechanics Statics, 14th edition, Pearson.
1-9. Represent each of the following combinations of units in the correct SI form using an
appropriate prefix: (a) m/ms, (b) km, (c) ks/mg, and (d) km N.
1-13. The density

Introduction:
The purpose of this experiment was to calculate the acceleration due to gravity in
2
Edmonton. At sea level the accepted rate of acceleration is equals to g=9.81 m/s . We
investigated the acceleration as a golf ball was dropped from a height

Introduction:
The purpose of the experiment is to deduce the difference between average ( v age ) and
instantaneous ( v ins ) velocity and to analyze distance velocity and acceleration of a glider.
Non-uniform kinematics is a subdivision of classical Phys