Question #6417500Single Choice
Physics
Question
A 40 kg crate is being pushed along a warehouse floor at constant speed. If the coefficient of kinetic friction between the crate and the floor is 0.36, what is the applied force F needed to maintain constant speed? (Take g = 10m/s2)
Options
A
76 N
B
40 N
C
144 N
D
400 N