# For medical reasons, astronauts in outer space must determine their body mass at regular...

## Question:

For medical reasons, astronauts in outer space must determine their body mass at regular intervals. Devise a scheme for measuring body mass in an apparently weightless environment.

## Hooke's law

To solve the problem it is necessary to apply the concepts related to Hooke's law for springs. In this way, we have that the spring force is determined by the product between the spring constant and its displacement, that is,

{eq}F_s = -kx {/eq}

Here,

{eq}k = \text{Spring Constant}\\ x = \text{Displacement} {/eq}

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It is feasible to use a spring system that allows the measurement of the body, this because other systems that are dependent on gravity would not work...

Hooke's Law & the Spring Constant: Definition & Equation

from

Chapter 4 / Lesson 19
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After watching this video, you will be able to explain what Hooke's Law is and use the equation for Hooke's Law to solve problems. A short quiz will follow.