Question

An elevator and its contents have a combined mass of 6000 kg (Assume 4 significant digits).It is suspended by a single cable. (a) What force must the cable exert on

the elevator when it is accelerating upward at 2.0 m/s? (3 marks) (b) What force must the cable exert on the elevator when it is moving downward at a constant velocity of 2.0m/s? (3 marks)

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