22. The free-body diagram of the cars is shown on the right. The force exerted by John Massis is22.52.5(80 kg)(9.8 m/s ) 1960 NFmg===.Since the motion is along the horizontal x-axis, using Newton’s second law, we have cos,xFxFMaθwhere Mis the total mass of the railroad cars. Thus, the acceleration of the cars is
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.