LectureLecture

55Vector Mechanics for Engineers: Vector Mechanics for Engineers:

DynamicsDynamics MECN 3010 MECN 3010

Department of Mechanical EngineeringDepartment of Mechanical Engineering

Inter American University of Puerto RicoInter American University of Puerto Rico

Bayamon CampusBayamon Campus

Dr. Omar E. Meza CastilloDr. Omar E. Meza Castilloomeza@bayamon.inter.edu

http://www.bc.inter.edu/facultad/omeza

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Tentative Lecture ScheduleTentative Lecture Schedule

TopicTopic LectureLecture

Kinematics of a ParticleKinematics of a Particle 1,2,3,41,2,3,4

Kinetics of a Particle: Force and AccelerationKinetics of a Particle: Force and Acceleration 55

Kinetics of a Particle: Work and EnergyKinetics of a Particle: Work and Energy

Kinetics of a Particle: Impulse and MomentumKinetics of a Particle: Impulse and Momentum

Planar Kinematics of a Rigid BodyPlanar Kinematics of a Rigid Body

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Force and AccelerationForce and Acceleration

Topic 1: Kinematics of a Topic 1: Kinematics of a ParticleParticle

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"Lo peor es educar por métodos basados en el temor, la fuerza, la autoridad, porque se destruye la sinceridad y la confianza, y sólo se consigue una falsa sumisión”

Einstein AlbertEinstein Albert

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Chapter ObjectivesChapter Objectives

To state Newton’s Second Law of Motion To state Newton’s Second Law of Motion and to define mass and weight.and to define mass and weight.

To analyze the accelerated motion of a To analyze the accelerated motion of a particle using the equation of motion with particle using the equation of motion with different coordinate system.different coordinate system.

To write the equation of motion for an To write the equation of motion for an accelerating body.accelerating body.

To draw the free-body and kinetic To draw the free-body and kinetic diagrams for an accelerating body.diagrams for an accelerating body.

To investigate central-force motion and To investigate central-force motion and apply it to problems in space mechanics.apply it to problems in space mechanics.

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13.10 Equation of Motion: Normal and Tangential Coordinates13.10 Equation of Motion: Normal and Tangential Coordinates

This equation is satisfied providedThis equation is satisfied provided

Recall that:Recall that:

it is often referred as it is often referred as centripetal forcecentripetal force

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Omar E. Meza Castillo Ph.D.Omar E. Meza Castillo Ph.D.

Homework4 Homework4 WebPage WebPage

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