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A 80 kg person buys a scale at a mall that reads weight in Newtons and can’t wait to try it out, so they open the scale on an elevator. What would the scale read if the elevator was moving upward at 6.2 m/s2?

Sagot :

Answer:

The scale read 1280 N.

Explanation:

Given that,

The mass of a person, m = 80 kg

We need to find the scale reading when the elevator is moving upward at 6.2 m/s².

We know that, when an elevator moves up, the reading on the scale is given by :

N-mg=ma

N=m(a+g)

Put all the values,

N = 80(6.2+9.8)

= 80(16)

= 1280 N

Hence, the scale read 1280 N.

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