Given Triton’s response to Neptune’s gravity, which of the following will MOST LIKELY happen?
Triton will become a dwarf planet.
Triton will become a supernova.
Triton will become a star.
Triton will become a ring around Neptune.

MOMENTUM IS CONSERVED  (law of Nature)

That means that momentum can move from one object to another object, but it's never created or destroyed.  The amount of momentum AFTER something is the same as it was BEFORE.

Before:

(ball momentum = 12), (pin momentum = 0)

Ball + Pin = 12 unts

After:

Momentum is conserved.

Ball + Pin still has to be 12 units

Ball = 8 units

So Pin has to be the other 4 units.