7-3 Many-particle system Consider a system consisting of N particles of masses m1m2……mx: The tota mass Is M=∑ (7-10) Each particle can be represented by its location rn, velocity v, and its acceleration a The CM of the system can be defined by logical extension of Eq(7-1:7-3 Many-particle system Consider a system consisting of N particles of masses …… . The total mass is (7-10) Each particle can be represented by its location , velocity and its acceleration . The CM of the system can be defined by logical extension of Eq(7-1): m1 m2 mN M =mn → n v n r  n a 