NEWTON LAW OF MOTION

F=ma
Fn=mg + ma
Fk=uk + Fn

tension horizontal:
Fp - FT=ma

tension vertical:
FT - mg=ma

Physic 130-work and energy equation

W=FS cos ø
PE=mgh
KE=(1/2)mv^2
Wnc=(KEi + PEi) -(KEf + PEf)
Wnf=MEf+ MEi

for spring:
PE=(1/2)kx^2
KE=kx cos ø

Trip to Pusat Pembiakan Kambing Baka Jamnapari

 

It look there also a good think if you are at the line isn't. everybody else walking and i ride a vehicle.

what you think of this video? the sheep and it's mother or father, i think it isn't either.

let's take a walk at this place for a while, yo!