PHYSICS FOR
ENGINEERS
ELNG 1101
Lecture 2: (a) Vectors: dot and cross product
(b) Work
LECTURE OVERVIEW
Vector dot product
Vector cross product
Practice questions
Forces
Work
Physical problems involving work
Summary
VECTORS AND COORDINATE SYSTEMS
A

PHYSICS FOR
ENGINEERS
ELNG 1101
Lecture 12:
LECTURE OVERVIEW
What is a laser?
Properties of a lasers
Applications of lasers
Development of the laser
Laser theory
Additional properties of lasers
Summary
WHAT IS A LASER?
Laser is an acronym which sta

PHYSICS FOR
ENGINEERS
ELNG 1101
Lecture 6: Further Topics in Rotation
LECTURE OVERVIEW
Kinematic equations for rotation
Kinematic energy of rotation
Rotational Inertia
Parallel and Perpendicular axis theorem
Torque
Work Done by Torque
Summary
MOMEN

PHYSICS FOR
ENGINEERS
ELNG 1101
Lecture 13: Electrostatics
LECTURE OVERVIEW
Electrostatics and Charge?
Electric Fields and Lines of Force
Coulombs Law for Discrete Charges
Coulombs Law for Continuous Charges
Dipoles
Motion of a charge particle in an

PHYSICS FOR
ENGINEERS
ELNG 1101
Lecture 11: Optics
LECTURE OVERVIEW
What is Optics?
Electromagnetic Waves
Lasers and Coherence
Huygens Principle
Diffraction
Single and Double Slit Diffraction
Diffraction grating
Phasors
Summary
WHAT IS OPTICS?
Op

Reading Question
A sinusoidal function of x can be
represented by
A. Cos(x).
B. Sin(x).
C. Tan(x).
D. Either A or B.
E. Either A, B or C.
Slide 14-10
Reading Question 14.1
A sinusoidal function of x can be
represented by
A. Cos(x).
B. Sin(x).
C. Tan(x).
D

PHYSICS FOR
ENGINEERS
ELNG 1101
Lecture 7: Simple Harmonic Motion
LECTURE OVERVIEW
Summary of relationship between linear and circular motion
Practice problem
Examples of Simple Harmonic Motion
Mathematical Treatment of SHM
The differential equation

Department of Physics
PHYS1412 Tutorial Worksheet
Waves Parts 1 3
1.
A sinusoidal wave travels along a string. The time for a particular point to move from maximum
displacement to zero is 0.170 s. What are the (a) period and (b) frequency? (c) The wavelen

PHYSICS FOR
ENGINEERS
ELNG 1101
Lecture 8: Further Simple Harmonic Motion
LECTURE OVERVIEW
The Simple Pendulum
Mass on a Spring
Damped Oscillations
Types of Oscillations
Forced Oscillations
Summary
THE SIMPLE PENDULUM
For the oscillating mass, the a

PHYSICS FOR
ENGINEERS
ELNG 1101
Lecture 15: Electric Potential, Capacitance and
Amperes Law
LECTURE OVERVIEW
Electric Potential
Capacitance
Amperes Law
ELECTRIC POTENTIAL
The force of gravity is associated with a gravitation field and a gravitational
p

MECHANICS
M-2
TABLE OF CONTENTS
MECHANICS
Vectors A Review
M-1
2-D Motion
M-7
Uniform Circular Motion
Work and Energy
M-10
M-11
Conservation of Energy,
Mechanical Energy & Potential Energy M-17
Rotational Motion
M-23
Simple Harmonic Motion
M-31
Additional

PHYSICS FOR
ENGINEERS
ELNG 1101
Lecture 4: Potential energy/Static and Kinetic Friction
WORKED EXAMPLES
Projectile Motion and
Projectile Range
RECAP
Work done
If F is at an angle to the horizontal then
Work done by a variable force
RECAP CONTD
Work Kin

EXAMPLE
PLEASE DO EXAMPLE
5-1, 5-3 AND 5-8
PHYSICS FOR
ENGINEERS
ELNG 1101
Lecture 5: Rotation
LECTURE OVERVIEW
Review of circular motion
Angular velocity
Acceleration and velocity in uniform circular motion
Acceleration
Non-uniform circular motion a

PHYSICS FOR
ENGINEERS
ELNG 1101: LECTURE 1
TOPICS
General Introduction
Vectors
WELCOME TO PHYSICS FOR ENGINEERS
Course instructor: Dr. Tanya Kerr
Brief Biography
Dr. Kerr joined the department of the UWI Mona in August 2015. Prior to that
she was a Chie

PHYSICS FOR
ENGINEERS
ELNG 1101
Lecture 3: Vector treatment of motion
DISPLACEMENT VECTOR
The position vector is often designated by .
r
A change in position is a displacement.
y
r1
The displacement vector is a change in the
position vector.
r r2 r1

1
An Example of a
Engineering
Laboratory Report
2
EXP. CENTRIPETAL FORCE
Aim: To investigate the relationship between centripetal force and the period of rotation of an object
moving around a circle and the mass of the object moving in a circle
Apparatus:

ELNG1101
PHYSICS FOR ENGINEERS
LAB MANUAL
Department of Physics
(Revised 2015)
Table of Contents
EXP 1 . INTRODUCTORY EXPERIMENT INTERFERENCE AND DIFFRACTION USING A HELIUMNEON LASER . 3
EXP. 2
CENTRIPETAL FORCE . 6
EXP. 3
PROJECTILE AND ROLLING MOTION .

Physics for Engineers
ELNG1101
Lecturer: Rhodene Watson
Email: [email protected]
Office Hours: Wed.& Thur.1-2p.m.
Course Structure:
Mechanics
Scalars and Vectors
Work and Kinetic Energy
Conservation of Energy
Rotation
Simple Harmonic Motion
Waves and Opt

PHYS1411
Tutorial and Practice Questions
Vectors Review
1. Find the rectangular components of the following vectors A, which lie
in the xy plane and make an angle 1 or 2 as shown, if (a) A = 10 m, 1
= 30o (b) A = 5 m, 1 = 45o (c) A = 7 km, 2 = 30o; (d) A

By: Tyreke
Thomas
Demerara rebellion
Demerara (1823) - The Rebellion
1820s, sugar prices were in decline and British
plantation owners started to push the enslaved
people even harder. In Demerara, they were
worked from 6.30 in the morning until 9 at
nigh