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lawyer [7]
3 years ago
8

A 2500 kg elevator is suspended by a single cable, in which the tension is 30,000 N

Physics
1 answer:
Zanzabum3 years ago
6 0

With mass 2500 kg, the elevator has weight

(2500 kg) <em>g</em> = (2500 kg) (9.80 m/s²) = 24,500 N

The net force on the elevator is 30,000 N - 24,500 N = 5500 N (because its weight pulls it downward, while the tension pulls upward).

The acceleration <em>a</em> of the elevator is obtained from Newton's second law,

(2500 kg) <em>a</em> = 5500 N

<em>a</em> = (5500 N) / (2500 kg)

<em>a</em> = 2.2 m/s²

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