7. It travels at
186.000 (300.000
km) miles per
second .

8. It involves equal distances
in equal time intervals.

9. It refers how faster an object change its speed
in terms of direction. It is Newton’s second law

10. To stay in repose
or remain In a
constant velocity
When things keep
going once they
are moving.

11.  Push: (verb) to move someone or something by
pressing them with your hands or body.
E.g she pushed the books aside and sat down on
my desk.
Pull( verb) to take hold of something and move it
somewhere.
E.g if you keep pulling his tail, he will bite you.

12.  hinge (noun) a metal fastening that joins the
edge of a door, window, or lid to something else
and allows you to open or close it.
 Speed up: to move or happen faster, or to make
something move or happen faster.

13. Slow Down: (verb) if someone slows down, they
become less active.
Breakthrough: (noun) an important discovery of
development that helps solve a problem:
E.g a major breakthrough in the fight against
cancer.