1 Laws of Motion
An elevator weighing 6000 kg is pulled upward by a cable with an acceleration of 5ms-2 . Taking g to be 10ms-2 , then the tension in the cable is 1) 6000 N 2) 9000 N 3) 60000 N 4) 90000 N
Solution : T = m (g + a) = 6000 (10 + 5) T = 90,000 N
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