Ast115
2-2-24
4.4 Gavity
m,
ma
r
Fg = Gm, m2
how much matter is in a object
weight mass = = (is related to force) The Force that gravity puts onmass
The force OF Gravity on the moon is 1/6 as
much as it ison Earth.
If you weigh 120pounds on Earth, then how much
Do you weigh on the moon ? = 20 pounds
If you have a mass of 60 kg on the Earth, then how
much on the moon P-
60kg
mass dosent change
how much
stuff
You
2-5-24
4.3
Conservation
of
Energly
weigh Slightly
Kinetic, potential, Radative Energy
Diff on Each
E
mc
2
=
Planet!
mass
speed. of light
Energy
E arth is
5.1 The Nature OF light
lapping Mars =
Newton Passed White light Through a Prism
Retrograde
y
Saw the Emitted light was Bent in Different directions
