qusetion related to mechanics October 1, 2016/in Uncategorized /by Sophiathree force p,q,r acts along sides bc,ca,ab of triangle abc.prove that if pcoseca+qcosecb+cosecc=0 then line of action passes through centroid of triangle abc 0 0 Sophia Sophia2016-10-01 16:37:242016-10-01 16:37:24qusetion related to mechanics