I’ll give you the other answer if none of them is right

Newtons view of arrangement of the universe

A10-kg isto a of 10 m at aa0.9 kg/m.30 kg of ,at aas10-m .. ( 9.8 m/s2 g.)

Due in 40 explain in terms of frame of reference if you’re inside a moving train everything on the outside can seem to be moving