How Do You Weigh Things in Space?

The video explains how astronauts measure their mass in space, where traditional scales don't work due to the lack of gravity. It introduces the concept of weight as a force due to gravity and explains how mass can still be measured using Newton's second law. NASA's SLAMMD and Russia's BMMD are two devices used to measure mass in space. SLAMMD uses a spring and camera to measure acceleration, while BMMD uses spring oscillations. Both devices provide accurate mass measurements, crucial for scientific research in space.

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