Question: 1. The is total force needed to drag a box at constant speed across a surface with coefficient of kinetic friction / is least when

1. The is total force needed to drag a box at

1. The is total force needed to drag a box at constant speed across a surface with coefficient of kinetic friction / is least when the force applied at an angle O such that a. sine = /k- b. cose = /- C. tand = Uk. d. cote = /k. e. seco = Lik

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