by the way. I'm not hyschool student.
Iwas thinking that I want to start studying this..
well..wonder how long it will last..
about the action of force.
T1sin45°＋T2sin45°=mg. vertical direction
T1cos45°=T2cos45° horizontal direction
well. .probably. I can aconpained.
I'm glad I remembered the three square theorem.