Answer this question?

Question

Here is it scanned.

http://s107.photobucket.com/albums/m316/myrainien/?action=view¤t=IMAGE12.jpg

Answer 1

Fw=mg
Fwx=0
Fwy=mg

Fn= Fw cos(22)
Fnx=Fn sin(22)=mg cos(22) sin(22)= 0.5 mg sin(44)
Fny=Fn cos(22)= mg cos^2(22)

Ff=uFn=u mg cos(22)

Ffx=Ff cos(22)= u mg cos^2(22)
Ffy=Ff sin(22)= u mg sin(22)cos^(22)= 0.5 u mg sin(44)


Fa= ma
Fax= m ax
Fay=m ay