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Answer on Mechanics | Relativity Question for Anam

Question #14071
As part of a physics experiment, you stand on a bathroom scale in an elevator. Though your normal weight is 510 N, the scale at the moment reads 640 N. Calculate the magnitude of the elevator's acceleration.
Expert's answer
Let the magnitude of the elevator's acceleration is a.
P = m * g = 510 N
= m * (g + a) = 640 N
m = P / g
a = W / m - g = W * g / P - g
a = 640 *
9.81 / 510 - 9.81 = 2.50 N/kg

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