A mass m rests under the action of a force F as shown in the figure on a horizontal surface. The coefficient of friction between the mass and the surface is μ. The force of friction between the mass and the surface is

-
UP 0 DOWN 0 0 0

A mass m rests under the action of a force F as shown in the figure on a horizontal surface. The coefficient of friction between the mass and the surface is μ. The force of friction between the mass and the surface is
