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Rahsoft Mechanical Engineering Department

Dynamics

Engineering mechanics is both a foundation and a framework for most of the branches of engineering. Many of the topics in such areas as civil, mechanical, aerospace, and agricultural engineering, and of course engineering mechanics itself, are based upon the subjects of statics and dynamics. Even in a discipline such as electrical engineering, practitioners, in the course of considering the electrical components of a robotic device or a manufacturing process, may find themselves first having to deal with the mechanics involved. Thus, the engineering mechanics sequence is critical to the engineering curriculum.

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Dynamics

Engineering mechanics is both a foundation and a framework for most of the branches of engineering. Many of the topics in such areas as civil, mechanical, aerospace, and agricultural engineering, and of course engineering mechanics itself, are based upon the subjects of statics and dynamics. Even in a discipline such as electrical engineering, practitioners, in the course of considering the electrical components of a robotic device or a manufacturing process, may find themselves first having to deal with the mechanics involved. Thus, the engineering mechanics sequence is critical to the engineering curriculum.

The primary purpose of the study of engineering mechanics is to develop the capacity to predict the effects of force and motion while carrying out the creative design functions of engineering. The aim of this course is to set a great foundation of dynamics for most of the engineering students.

This course is for those students in second year of university who have good knowledge of Statics and Mathematics. Before starting this course you should be with some basic and important subjects, including applied mathematics, physics, and graphics. In addition, these courses serve as excellent settings in which to strengthen problem-solving abilities.

In first for chapters that constitute the first part of our course we cover the dynamics of particles. In second part of the course we go and obtain the equations for rigid bodies.

Keywords: Mechanical Dynamic Mechanic Dynamic mechanical engineering

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What's inside

Learning objectives

  • Develop the capacity to predict the effects of force and motion while carrying out the creative design functions of engineering
  • Set a great foundation of dynamics for most of the engineering students.
  • Ability to understand objects motion, the change in their velocity and acceleration
  • Ability to design various kinds of mechanisms and obtain desired output
  • Learn how to model different dynamics behaviours of different objects and determining their motion parameters

Syllabus

#introduction#Dynamics#Concepts#Mechanics
Introduction
Before we start
Basic concepts of Dynamics
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Newtons second Law
Gravitation
units
Dimensions
#Introdution#moiton#Graphical#Kinematics
Introduction to Kinematics of Particles
rectilinear motion
rectilinear motion_1
Graphical interpretation of velocity
Graphical interpretation of acceleration
Graphical interpretation of acceleration_2
Graphical interpretation of (v-s)curve
Analytical integration
Analytical integration_2
Plane Curvilinear Motion
average velocity & average speed
Acceleration in Plane curvilinear motion
rectangular coordinate
magnitude of acceleration and velocity
Projectile motion
Normal and tangential coordinates
Velocity in Normal and tangential coordinates
acceleration in Normal and tangential coordinates
acceleration in Normal and tangential coordinates 1
Polar Coordinates
Polar Coordinates 1
Polar Coordinates: Acceleration
Space curvilinear Motion
Chapter 2 Kinematics of Particles Example 1
Chapter 2 Kinematics of Particles Example 2
Chapter 2 Kinematics of Particles Example 3
Chapter 2 Kinematics of Particles Example 4
Chapter 2 Kinematics of Particles Example 5
Chapter 2 Kinematics of Particles Example 6
Chapter 2_Quiz
#moiton#Introduction#Kinematics
Introduction: Kinetics of Particles
Section A: Newtons Second Law
Section A: Inertial system
Section A: Equation of motion
Section A: Rectilinear Motion
Section A: Curvilinear Motion
Section B: Work and energy principle
Section B: Work and curvilinear motion
Section B: Principle of work and kinetic energy
Section B: Power
Section B: Potential Energy
Section B: Gravitational Potential Energy
Section B: Work-Energy Equation
Section B: Conservation of energy

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Section C: Linear impulse and linear momentum
Section C: linear and angular impulse momentum principle
Section C: Conservation of Linear momentum
Section C: angular Impulse and angular momentum
Section C: Rate of change of angular momentum
Section C: Angular impulse-momentum Principle
Section C: Application of angular momentum
#Dynamics#moiton#L#Kinematics Example1
#Dynamics#moiton#L#Kinematics Example2
#Conservation#Energy#moiton#L#Kinematics Example3
#Conservation#Energy#moiton#L#Kinematics Example4
Chapter 3_Quiz
Section 3 Quiz
Introduction to kinetics of particles
Work-energy of system of mass
Kinetic energy expression
Impulse momentum
Angular momentum
#kinematics#Plane#motion#rigid#Particles Example1
Conservation of energy
#rotation#PParticles#Motion#rigid Example2
#rotation#Plane#Motion#rigid Example3
#Absolute#velocity#motion#Kinematics Example4
Chapter 4_Quiz
#kinematics#Plane#motion#rigid#body
Plane kinematics of rigid bodies
Rotation plane motion of a rigid body
Rotation about a fixed axis
Absolute Motion
Relative velocity
instantaneous center of zero velocity
Relative acceleration
#kinematics#Plane#motion#rigid#body Example1
#rotation#Plane#Motion#rigid Example2
#Absolute#velocity#motion#Kinematics Example5
Chapter 5_Quiz
Section 5 Quiz
#Relative#acceleration#Kinematics#motion

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Provides a strong foundation in dynamics, which is essential for students in civil, mechanical, aerospace, and agricultural engineering
Strengthens problem-solving abilities, which are critical for success in engineering and related fields
Covers both particle and rigid body dynamics, providing a comprehensive understanding of motion and forces
Requires a solid understanding of statics and mathematics, so learners should ensure they have the necessary prerequisites
Explores graphical interpretations of velocity and acceleration, which may offer unique perspectives on kinematics
Includes quizzes at the end of chapters, which allows learners to assess their understanding of the material

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Engineering Dynamics course & examples, 15+hours mechanical with these activities:
Review Statics Fundamentals
Reinforce your understanding of statics principles, as dynamics builds upon these concepts. Refreshing your knowledge will make learning dynamics easier.
Browse courses on Statics
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  • Review key concepts like equilibrium and free body diagrams.
  • Work through statics problems, focusing on force and moment calculations.
Review 'Vector Mechanics for Engineers: Dynamics' by Beer and Johnston
Use this book as a reference to gain a different perspective on the concepts covered in the course. It provides clear explanations and numerous examples.
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  • Read chapters related to the course topics.
  • Solve practice problems from the book.
Solve Projectile Motion Problems
Practice solving projectile motion problems to solidify your understanding of kinematics. This will improve your problem-solving skills in dynamics.
Browse courses on Projectile Motion
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  • Solve a variety of projectile motion problems with varying initial conditions.
  • Analyze the effects of air resistance on projectile motion.
Four other activities
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Read 'Engineering Mechanics: Dynamics' by Meriam and Kraige
Supplement the course material with a widely-used textbook for a deeper understanding of dynamics. This book provides additional examples and explanations.
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  • Read relevant chapters corresponding to the course syllabus.
  • Work through example problems in the book.
Create a Dynamics Cheat Sheet
Compile key formulas, concepts, and problem-solving strategies into a cheat sheet. This will help you quickly recall important information during problem-solving.
Show steps
  • Review course notes and identify key formulas and concepts.
  • Organize the information into a concise and easy-to-read format.
Create a Video Explaining Work-Energy Principle
Create a video explaining the work-energy principle to deepen your understanding and improve your communication skills. Teaching others is a great way to learn.
Show steps
  • Research and understand the work-energy principle thoroughly.
  • Prepare a script and visuals to explain the concept clearly.
  • Record and edit the video, ensuring clarity and accuracy.
Simulate a Simple Mechanical System
Develop a simulation of a mechanical system to apply your knowledge of dynamics. This project will enhance your problem-solving and analytical skills.
Show steps
  • Choose a mechanical system to simulate (e.g., pendulum, spring-mass system).
  • Develop a mathematical model of the system's dynamics.
  • Implement the simulation using software like MATLAB or Python.
  • Analyze the simulation results and validate the model.

Career center

Learners who complete Engineering Dynamics course & examples, 15+hours mechanical will develop knowledge and skills that may be useful to these careers:

Reading list

We've selected two books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Engineering Dynamics course & examples, 15+hours mechanical.
Comprehensive resource for dynamics, widely used in engineering courses. It provides detailed explanations, numerous examples, and practice problems. It serves as an excellent reference for understanding complex concepts and reinforcing learning from the course. Many students and professionals use this book as a primary reference.

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