Post Test 3 Ch. 10

Question 1

Cepler’s First law

Answer 1

Planets move in elliptical orbits and the sun is at one foci

Question 2

Cepler’s 2nd Law

Answer 2

Equal areas are swept out in equal time

Question 3

Cepler’s 3rd Law

Answer 3

T^2 is proportional to a^3 where a is the length of the semi major axis or half the length of the major axis length

Question 4

Newton’s big idea

Answer 4

All masses are gravitationally attracted to all other masses in the universe