In today's demonstration, a nonmoving ball placed at the top of the ramp is an

example of

1. c

2. g

3. c

4. h

5. a

explanation:

answer:

i havent taken the psat, but i have the sat, make sure to bring some snacks, because youre in there forever, 2 sharp number two pencils, an sat approved calculator, and maybe a jacket.   your phone and any books will be taken up, so don't try to bring them(but they will be given back at the end of the testing).   good luck!   i hope you do well!