An elevator of mass 4800kg is supported by a cable which can safely withstand a...

JAMB 1987

An elevator of mass 4800kg is supported by a cable which can safely withstand a maximum tension of 60 000N. The maximum upward acceleration the elevator can have is

A. 2.5ms^-2
B. 5.0ms^-2
C. 7.5ms^-2
D. 10.0ms^-2

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Correct Answer: Option A

Explanation

a = \(\frac{F}{m}\)

= \(\frac{60000 -(4800 \times10)}{4800}\)

= 2.5ms^-2

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An elevator of mass 4800kg is supported by a cable which can safely withstand a...

Correct Answer: Option A

Explanation

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