Measuring extension relies on weight (force due to gravity), which is effectively zero in orbit. Measuring oscillation period relies on inertial mass and spring constant, which are unaffected by gravity.
A spring can be used to determine the mass m of an object in two ways : (i) by measuring the extension in the spring due to the object; and (ii) by measuring the oscillation period for the given mass. Which of these methods can be used in a space-station orbiting Earth ?
Asked in UPSC NDA 1 2015 · Topic: Mechanics (Simple Harmonic Motion and Damped/Forced Oscillations)
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