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Experimental study on interaction between a positive mass and a negative effective mass through a mass–spring system
Theoretical and Applied Mechanics Letters
h i g h l i g h t s • We investigate the dynamics of a positive mass and a negative mass chain, which shows the two bodies may be self-accelerated in same direction. • We examine the self-accelerated motion of equivalent two-mass chain in experiment. • We show that the Hamilton's principle is applicable when the energy of the negative mass unit is properly characterized. a b s t r a c t We investigate the interaction between a positive mass and a negative effective mass through a threemassdoi:10.1016/j.taml.2015.08.003 fatcat:mg2hosemerftpje2ryndba2uae