Wednesday, February 24, 2016

APPLICATION OF LINEAR MOMENTUM PRINCIPAL

INTRODUCTION

Ø Equation of motions is build on the basis of the balance of momentum principal.

Ø In particle mechanics a particle P that has mass m and move with the velocity v is said to posses (linear) momentum mv and the general statement of Newton ’s second law is

                                  d(mv)=F. (1). dt



Ø The term F encompass the ”sum of the forces acting on the mass ”.
Ø Noting that the both the density and velocity may change from point to point within the system ,newtons second law can be expressed more generally as
                                              


                                        ∑F=d/dt∫ρvdv


Ø Where ρv dv is the  differential element dv,which has mass dm=ρdv.








                                                            

1 comment:

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