Ask a mechanical physics question Two people are pulling a canoe on a friction surface, person a pull at 60N {20} and person B pull at 60N {40}, calculate the force Please help my friends to tell me the complete steps in Chinese,

Ask a mechanical physics question Two people are pulling a canoe on a friction surface, person a pull at 60N {20} and person B pull at 60N {40}, calculate the force Please help my friends to tell me the complete steps in Chinese,

Calculate the resultant force? Parallelogram rule, decompose the two forces