A5780 newton elevator is accelerating downward at - 1.2
m/s/s. what is the mass of the elevator ? *

Explanation:

Let's see, what relates Newtons, acceleration and mass??

Force= mass * acceleration

Given that you have to find the mass, just substitute the values to form

Then rearrange it to find the answer!!

1/0.14nm = 10^10/1.4 a lot