Answer:
GRAVITY
A lack of gravity would eventually take its toll on our very planet, writes Masters. "Earth itself would most likely break apart into chunks and float off into space." ... Eventually there would be no clumps of matter, like stars or planets, anywhere in the Universe.
FRICTION
Friction stops things from sliding apart. If there was no friction everything would slide to the lowest point. It would be impossible to climb up anything. ... With no friction the only possible movement would be falling to a lower point under gravity.
Explanation:
not sure but hope it helps
