Question

Newton discovered that __________ and _________ help keep the planets in orbit around the sun
A. inertia, momentum
B. gravity, acceleration
C. gravity, inertia
D. speed, distance

Answer 1

@Directrix

Answer 2

I think you should start of by understanding what these terms really mean, what is inertia, momentum, gravity, etc?

Answer 3

i understand all of it

Answer 4

Alright, well think Newton's laws what is the first one?

Answer 5

i think the answer is C

Answer 6

yes

Answer 7

i do 2

Answer 8

Look on the second page at the diagram of the moon and earth.

http://fileserver.net-texts.com/asset.aspx?dl=no&id=16019

@JessicaH123

Answer 9

so the answer is C?

Answer 10

Yes

Answer 11

thanks