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Untitled
matter and force
look how isaac newton discover gravity
YOU KNOW GRAVITY ATTRACT EVERYTHING TO THE CENTER OF A PLANET. BIG PLANETS ATTRACT MORE THAN SMALL PLANETS OR SATELLITES.
H0W IS GRAVITY IN DIFFERENT PLANE
TS
DISCOVER GRAVITY
WHAT IS FORCE?
THE INTERNATIONAL SPACE STATION. A PLACE WITH NO GRAVITY.
how the spaceship docks at the iss