A block of mass m = 15 kg is placed on an inclined plane with an angle of inclination of = 30 degrees. The

A block of mass m = 15 kg is placed on an inclined plane with an angle of inclination of θ = 30 degrees. The coefficient of static friction between the block and the plane is μs = 0.4. Determine the minimum force required to keep the block from sliding down the plane.