Question

An object (mass 3.2kg ) slides upward on a vertical wall at constant velocity when a force F of 54N acts on it at an angle of 60∘ to the horizontal. N = 27 N

Determine the force of kinetic friction on the object.

Answer 1

F(fr) +mg= F(y)
F(y) = Fsinα
F(fr) =Fsinα-mg