Question

19. A 900 kg elevator hangs by a steel cable for
which the allowable stress is 1.15 x 108 N/m2.
What is the minimum diameter required if
the elevator accelerates upward at 1.5 m/s2?
Take g = 10 m/s2
6x10-2
-m
a)
6x10-2
√57
b)
m
10π
c)
3x10-2
V107
m
d)
3x10-2
√5r
m​

Answer 1

answer is the B one

Explanation:

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