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Engineering Dynamics

Kinematics and kinetics of particles and rigid bodies — motion analysis, force-acceleration, work-energy, impulse-momentum, and vibrations. Extensively builds on Physics Mechanics and Statics.

7 modules·61 concepts·57 practice problems·~40 hours

Prerequisites

Exam Relevance

FE Exams3 exams
FE General9% of exam
FE Mechanical9% of exam
FE Civil5% of exam
University Exams1 exam
University Dynamics100% of exam

Module Breakdown

1.Kinematics of Particles

12 concepts·15 problems

Describe particle motion using rectilinear and curvilinear coordinate systems, including projectile trajectories, normal-tangential components, polar coordinates, and relative motion analysis.

12 concepts covered
Rectilinear MotionDisplacementConstant AccelerationVariable AccelerationKinematic EquationsKinematics IntegrationCurvilinear MotionCentripetal AccelerationNormal Tangential CoordinatesPolar CoordinatesRelative MotionProjectile Motion

2.Kinetics of Particles — Newton's Second Law

5 concepts·4 problems

Apply Newton's second law to particles on inclined planes and pulley systems, and analyze dependent motion and cable constraints using translating reference frames.

5 concepts covered
Inclined PlanePulleysDependent MotionCable ConstraintTranslating Frame

3.Work-Energy Methods

7 concepts·5 problems

Use the work-energy theorem and conservation of energy to solve particle dynamics problems involving gravitational and spring potential energy, and calculate power output.

7 concepts covered
Work Of A ForceKinetic EnergyWork Energy TheoremConservation Of EnergyGravitational Potential EnergySpring Potential EnergyPower Torque

4.Impulse-Momentum Methods

9 concepts·6 problems

Relate impulse to changes in linear and angular momentum, solve collision problems using the coefficient of restitution, and apply conservation of momentum to central-force and orbital mechanics problems.

9 concepts covered
Linear ImpulseLinear MomentumImpulse MomentumConservation Of MomentumImpact CollisionCoefficient Of RestitutionAngular Momentum ConservationCentral Force MotionOrbital Mechanics

5.Kinematics of Rigid Bodies

9 concepts·11 problems

Analyze rigid-body translation, rotation, and general plane motion using instantaneous centers, rolling constraints, rotating reference frames, and Coriolis acceleration.

9 concepts covered
Angular VelocityAngular AccelerationRigid Body VelocityRigid Body AccelerationInstantaneous CenterRolling Without SlipRolling Without SlippingRotating Reference FrameCoriolis Acceleration

6.Kinetics of Rigid Bodies

8 concepts·11 problems

Apply Newton's second law to rigid bodies in rotation and general motion, compute mass moments of inertia, and solve for rotational kinetic energy and angular acceleration.

8 concepts covered
Rigid Body KineticsRigid Body RotationMoment Of InertiaRotational DynamicsRotational Kinetic EnergyVector AdditionVector ComponentsTangential Acceleration

7.Vibrations

11 concepts·9 problems

Model free and forced vibrations of spring-mass systems, determine natural frequencies and damping ratios, and evaluate magnification factors and vibration isolation strategies.

11 concepts covered
Undamped VibrationNatural FrequencyPeriod And FrequencySpring Mass SystemDamped VibrationDamping RatioForced VibrationHarmonic ExcitationMagnification FactorForce TransmissibilityVibration Isolation

Reference Textbooks

  • Hibbeler — Engineering Mechanics: Dynamics
  • Beer & Johnston — Dynamics

Ready to practice Dynamics?

57 practice problems with step-by-step solutions. Free, no credit card.