Question

Newton’s 1st law of motion states that a moving object will go in a straight line unless an outside force changes this motion. What outside force prevents supply planets from moving in a straight line into space?

-gravity
- meteorite impacts
- supernovas
-Nuclear fusion

Answer 1

I would say that gravity from other planets and the sun prevents supply planets from moving in a straight line into space.

Answer 2

i think that is is gravity becasue gravity pulls the planets