L6 Particle Newtons second law Revised.pptx - Introduction...

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Introduction to KineticsNewton’s Second Law
Section Objectives:a.Draw accurate and complete Free Body Diagrams and Kinetic Diagrams for particle dynamic problemsb.Solve particle dynamics problems using Newton’s Second Law
KinematicsForcesWorkKinetic EnergyMomentum=Impulse==Particle DynamicsWork-EnergyNewton’s2ndLawImpulse-MomentumFamdtdsdsdt21ttdtF12vmvm21sssdF21212221mvmv
FBDs and MADs=English system: m=W/g1 slug =1lbf-s2/ftMetric System: W=mg1 N=kg-m/s2WATCH UNITSFam
5FBDs and MADs=Bookmarks from Statics?FBD StepsB – BodyA – AxesR – ReactionsF – Applied ForcesD - DimensionsFam
The block (mass = m) is moving upward with a speed v. Draw the FBD if the kinetic friction coefficient is k.A)B) C)D) None of the above.

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