need help in see saw physics

Unity Engine
1

Hello unity friends .i want to do see saw phyics in my game .so please help me.to do this.check out this same what im trying for it and help me :http://www.youtube.com/watch?v=KMgs_oTgPtE

2

You can find tutorial for that youtube video on following link.

http://http://www.unity3dstudent.com/2010/07/beginner-b00-adding-mass-gravity/

http://http://www.unity3dstudent.com/2010/07/challenge-c02-beginner/

3

ok i check out