Jawabanmu

2014-04-03T15:58:50+07:00
Bidang kasar (ц = 0,3)
N = w
m x g
=50 x 10
=500 N

F(gesek)
=ц . N
= 0,3 X 500
=150 N

F(total) 
=F-F(gesek)
=200-150
=50 N

a=F/m
=50/50
=1m/s^2

Jadi percepatan Jika bedang kasar 1m/s^2