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If a feather and a brick of lead are released simultaneously from the top of a ladder, brick lead strikes Grou

If a pen and a brick of lead are released simultaneously from the top of a ladder, the lead brick hits the ground first.What would happen if the test is repeated on the surface of the moon?

This experiment was done on the moon with a hammer and a feather. It was during the Apollo 15 mission. They both touched down at the same time.The latter source is a video clip showing this. This is not YouTube, but this was done in 1971. It clearly demonstrates that in a vacuum objects fall at the same speed.

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