Acceleration due to gravity and surface gravity

Acceleration due to gravity, gravitational fields, and surface gravity

Sal Khan explains the acceleration due to gravity at the location of the space station

Sal Khan explains whether a brick or a feather would fall faster on the moon?

Derek from Veritasium explains why astronauts feel weightless in space

Astronaut Chris Hatfield shows how you wash your hands in the space station. Oh dang...look at the water bubble!