Weight, Mass and Gravity
Gravitaty attracts all masses, but you only notice it when one of the masses is really, really big (e.g a planet). Anything near a planet or a star is attracted to it very strongly.
This has two important effects:
1) On the surface of a planet, it makes all things accelerate towards the ground (all with the same acceleration, which is about 10m/s2 on Earth)
2) It gives everything weight
Weight and Mass
- Mass is just the…