96. Let Tbe the tension on the rope. From Newton’s second law, we have ()Tmgmaga−=¡=+.Since the box has an upward acceleration a= 0.80 m/s2, the tension is given by22(30 kg)(9.8 m/s0.8 m/s ) 318 N.T=The rotation of the device is described by
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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.