Suppose masses M1 and M2 are falling toward planet M under ...

[brutforce]

Suppose masses M1 and M2 are falling toward planet M under gravitational influence. We would find that M1 falls
 
  1) faster than M2,
  2) as fast as M2,
  3) slower than M2,
 
  with the result that
  4) ocean tides are formed on M.
  5) the distance between M1 and M2 increases.
  6) the distance between M1 and M2 decreases.
  7) the distance between M1 and M2 remains unchanged, but the distance between M and M1 decreases.

Question 2

The body chiefly responsible for ocean tides is the
 
  1) Moon,
  2) Sun,
 
  chiefly because
  3) the Moon is closer to Earth than the sun.
  4) gravitational pull by the Moon is less than that of the sun.
  5) the difference between the Moon's pull on the near and far sides of Earth is appreciable.

[bhavsar]

Answer to Question 1

Answer: 1, 5

Answer to Question 2

Answer: 1, 5