Gx=mgcosα=12N
f=μmgsinα=1.6N
F合=F-Gx-f=6.4N
(1)a=F合/m=3.2m/s^2
v=at=12.8m/s
Ek=mv^2/2=163.84J
(2)S=at^2/2=25.6m
WF=FS=512J
(3)h=Ssinα=15.36m
WG=mgh=307.2J
(4)Wf=fs=40.96J
(5)WF合=FS=163.84J
Gx=mgcosα=12N
f=μmgsinα=1.6N
F合=F-Gx-f=6.4N
(1)a=F合/m=3.2m/s^2
v=at=12.8m/s
Ek=mv^2/2=163.84J
(2)S=at^2/2=25.6m
WF=FS=512J
(3)h=Ssinα=15.36m
WG=mgh=307.2J
(4)Wf=fs=40.96J
(5)WF合=FS=163.84J