Page 19 - Dynamics - linear impulse and momentum
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3      Chapter 3 – Kinetics of Particles



         Impulse and Momentum – Conservation of Linear Momentum





           If the resultant external force on a particle is zero during an interval of time:



                                           ሶ
                                Ԧ
           Base on σ    =    :




                                                                                                                      ሶ
                                                                         ሶ
                           Ԧ
                 ෍    = 0                                                 = 0                                         =                     = 0
                                                                                                                                    








           Conservation of Linear Momentum







                   Linear momentum may be conserved in one coordinate direction, such as   , but not


                                                                   necessarily in the    or    direction







               © 2020 By A.R. Faghihi - Engineering Mechanics Dynamics                                                                                                               19
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