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Jonathon Rolfson

Feb 20, 2025

unbalanced forces question?

A mother exerts a force(F) on her child in a moving elevator. If the child has a mass of 19.9 kg, calculate the magnitude of the force the mother exerts on the child under the following conditions.(b) The elevator accelerates upward at 0.866 m/s2.(c) The elevator moves upward at a constant speed.(d) The upward bound elevator decelerates at 2.05 m/s2.
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Bernhard White

Feb 20, 2025

When the elevator is accelerating upward, the upward force is mg + ma. It supports the weight mg and gives it an additional thrust ma.When the elevator is accelerating downward, the upward force is mg - ma.When the acceleration is 0, what do you think happens to the ma term?... Show More
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