Answers

2014-06-18T19:50:04+08:00
Yes and when it stop when you rol it it called  friction
4 5 4
kasi po when you roll the pen its stop then when you rub your hands its causing heating and causing to stop rubing
ahhh , okeay . thank you ulit :)
te pa ki best answer naman akin kaylangan ko lang pls
w8 lng po
okey po