
20222023 College Catalog [ARCHIVED CATALOG]

ENG 220  Engineering Mechanics: Dynamics 3 Credits, 3 Contact Hours 3 lecture periods 0 lab periods
Study of the motion of bodies under the action of forces. Includes introduction to dynamics, kinematics of particles and rigid body, and kinetics of particles and rigid body.
Prerequisite(s): ENG 210 and MAT 241
Course Learning Outcomes
 Demonstrate mastery to determine the kinematic relationships between positions, velocity, and acceleration for twodimensional motion of systems of particles and rigid body.
 Demonstrate the ability to analyze linear and curvilinear motion of particles.
 Demonstrate the ability to analyze the twodimensional motion of particles using: massforceacceleration method, work energy methods, and impulsemomentum method.
 Demonstrate the ability to apply method of relative velocity and relative acceleration to provide motion analysis of rigid body.
 Demonstrate the ability to apply forcemassacceleration method for kinetic analysis of rigid bodies in plane motion.
 Demonstrate the ability to apply equations of motion for rigid bodies undergoing translation, rotation about a fixed axis, and general plane motion.
Performance Objectives:
 Determine the kinematic relationships between positions, velocity, and acceleration for twodimensional motion of systems of particles and rigid body.
 Identify and analyze special cases of rectilinear motion (uniform motion, uniformly accelerated motion).
 Compute position, velocity, and acceleration of particles in relative motion and dependent relative motion.
 Analyze curvilinear motion in Cartesian (rectangular) coordinate system.
 Analyze problems of projectile motion.
 Analyze curvilinear motion in normaltangential coordinate system.
 Analyze curvilinear motion in polar coordinate system.
 Analyze the twodimensional motion of particles using: massforceacceleration method, work energy method and impulsemomentum method.
 Classify dynamics problems by the best method of solutions.
 Apply Newton’s law to obtain equations of twodimensional motion for dynamic systems.
 Draw free body and kinetics diagrams for particles.
 Analyze forces in Cartesian (rectangular), normaltangential, and polar coordinate systems.
 Compute linear and angular momentum of a particle.
 Apply the principle of impulse and momentum to problems of direct and oblique central impact.
 Analyze rotation of the rigid body about a fixed axis.
 Analyze the planar rigid body motion by using both absolute and translating frame of reference.
 Apply vector analysis to solve kinematics problems.
 Apply method of relative velocity and relative acceleration to provide motion analysis of rigid body.
 Apply graphical method of instantaneous centers to provide motion analysis of rigid body.
 Apply relative motion analysis using rotating coordinate systems.
 Determine the Coriolis acceleration in plane motion.
 Determine the mass moment of inertia of a body.
 Draw free body and kinetics diagrams for rigid bodies.
 Compute angular momentum of a rigid body.
 Apply forcemassacceleration method for kinetic analysis of rigid bodies in plane motion.
 Formulate the equations of motion for rigid bodies undergoing translation, and rotation about a fixed axis, and general plane motion.
Outline:
 Introduction to Dynamics
 Application of dynamics
 Basic concepts
 Newton’s laws
 Solving problems in dynamics
 Appropriate units of measurement for dynamics problems
 Kinematics of Particles
 Introduction
 Rectilinear motion
 Displacement, velocity, and acceleration
 Graphical interpretations
 Curvilinear motion
 Rectangular coordinates
 Projectile motion
 Normal and tangential coordinates
 Circular motion
 Polar coordinates
 Kinetics of Particles
 Introduction
 Unconstrained and constrained motion
 Freebody diagram
 Mass force acceleration method
 Work energy method
 Kinetic energy
 Potential energy
 Conservation of energy
 Impulsemomentum method
 Linear momentum of a particle
 Conservation of linear momentum
 Impact
 Angular momentum of a particle
 Conservation of angular momentum
 Kinematics of Rigid Body
 Introduction
 Unconstrained and constrained motion
 Rectilinear translation
 Curvilinear translation
 Rotation about a fixed axis
 Angularmotion relations
 Absolute motion
 Principles of relative motion
 Method of relative velocity
 Graphical method of instantaneous centers
 Method of relative acceleration
 Motion relative to rotating axes; coriolis acceleration
 Kinetics of Rigid Body
 Introduction
 General equations of motion
 Unconstrained and constrained motion
 Translation
 Fixedaxis rotation
 General plane motion

